Portfolio: Wind Engineering
Scope of Services
Guido Morgenthal’s experience in the aerodynamic analysis of long-span bridges goes back to his PhD at Cambridge University, as part of which he developed the Computational Fluid Dynamics (CFD) solver VXflow.
The services of our firm in wind engineering today cover a wide range of numerical and experimental techniques:
Analysis of Vortex-induced (VIV) and buffeting response of bridges, in final and erection condition
Design of damping solutions to mitigate wind-induced response
Investigation of guide vanes for mitgating VIV of bridges
Prediction of aeroelastic instabilities such as flutter and galloping
Analysis of the efficiency of wind shield on bridge decks, including design of shields; Prediction of increased load on bridge deck and effect on vehicle overturning effects
Shape optimisation of bridge decks and high-rise buildings based on performance criteria for wind excitation
Modelling of energy harvesting devices based on fluttering membranes (with Stanford University)
Shown below is a visualisation of a time-history buffeting simulation of Stonecutters Bridge during Erection.
VXflow
Our unique VXflow solver is based on the Vortex Particle Method and allows a computationally efficient simulation of bluff body aerodynamics problems such as flow around bridge decks of arbitrarily complex geometry. After extensive recent developments it now provides the following features:
Multi-slice formulation for modelling the aerodynamics of line-like structures such as long-span bridge decks with varying cross sectional shape
Fluid-Structure Interaction simulations based on a full or a modal representation of the structural dynamics
Adaptive methods for balancing accuracy and efficiency
Solver for flexible structures such as membranes
Modelling of fluctuating inflow conditions to account for atmospheric turbulence e.g. for buffeting analyses.
Ported to GPU based on modern OpenCL language for high efficiency
High efficiency flow visualisation post processing tool VXviz plus other post processing in VXpost
Shown below are some images and videos showcasing the capabilities of VXflow.
References
Some of the projects to which we have contributed wind engineering expertise are:
Grenzwald Valley Bridge (2022)
Pattullo Bridge, Canada (2021)
Ponte Spada, Switzerland (2021)
Weiden structure Lichtenfels, Germany (2020)
Communication mast Bad Reichenhall, Germany (2020)
Fourth Bridge over Panama Canal, Panama (2020)
Macau Zipline, Macau/China (2019)
MyThuan Bridge, Vietnam (2019)
Gordie Howe Bridge stay cables, Canada (2019)
Queen Elizabeth II Bridge (Dartford Crossing)
Third Panama Canal Bridge
Elbe River Cable-stayed Bridge Magdeburg
Kruunuvuori Bridge, Helsinki
Rhein River Cable-stayed Bridge Duisburg
Danjiang Bridge, Taiwan
3rd Orinoco Bridge, Venezuela
New Champlain Corridor Bridge, Canada
Mersey Gateway Crossing, UK
Misc. masts and towers
Stonecutters Bridge, Hong Kong, China
Sutong Bridge, China
Dolsan Watah Bridge, Korea
Chenab Bridge, India
Bukhang Bridge, Korea
Strelasundbrücke, Germany
Orinoco Bridge, Venezuela
Foot and Cycle Bridge Kehl-Strasbourg, Germany/France
River Neath Viaduct, UK
Some of this work has been carried out whilst working at Leonhardt Andrä und Partner , Stuttgart and AECOM , Hong Kong.
Related Scientific Publications:
Tolba, K.I., Morgenthal, G., Parallel Scalability and Efficiency of Vortex Particle Method for Aeroelasticity Analysis of Bluff bodies, accepted by Computational Particle Mechanics
Kavrakov, I., Morgenthal, G, Comparative Assessment of Aerodynamic Models for Buffeting and Flutter of Long-span Bridges, Engineering (2017) (in press)
Tolba, K.I., Morgenthal, G., Pseudo three-dimensional simulation of aeroelastic response to turbulent wind using Vortex Particle Methods, Journal of Fluids and Structures 72 (2017), pp. 1-24
Milani, D., Morgenthal, G., Methods for Controlling the Local Spatial and Temporal Resolution of Vortex Particle Simulations of Bluff Body Aerodynamics Problems, accpeted by Computers and Fluids
Chawdhury, S., Morgenthal, G., Numerical simulations of aeroelastic instabilities to optimize the performance of flutter-based electromagnetic energy harvesters, Journal of Intelligent Material Systems and Structures, 2017, pp.1-17
Abbas, T., Kavrakov, I., Morgenthal, G., Methods for Flutter Stability Analysis of Long-span Bridges: A Review, Proceedings of the ICE – Bridge Engineering 170 (2017), pp. 271-310
Chawdhury, S., Morgenthal, G., Flow Reproduction using Vortex Particle Methods for Simulating Wake Buffeting Response of Bluff Structures, Journal of Wind Engineering and Industrial Aerodynamics, 151 (2016), pp. 122-136
Abbas, T., Morgenthal, G., Framework for Sensitivity and Uncertainty Quantification in the Flutter Assessment of Bridges, Journal of Probabilistic Engineering Mechanics, 43 (2016), pp. 91-105
Morgenthal G., Sanchez-Corriols, A., Bendig, B., A GPU-accelerated Pseudo-3D Vortex Method for Aerodynamic Analysis, Journal of Wind Engineering and Industrial Aerodynamics, 125 (2014), pp. 69-80
Sanchez Corriols, A, Morgenthal G., Vortex-Induced Vibrations on Cross Sections in Tandem Arrangement, Structural Engineering International, 02/2014; 24(1)
McRobie, A., Morgenthal, G., Abrams, D., Prendergast, J., Parallels between the wind excitation and the crowd loading of bridges, Philosophical Transactions of the Royal Society A, 371 (2013), pp. 20120430-20120446
Park, J., Morgenthal, G., Kim, K., Kwon, S., Law, K., Power Evaluation for Flutter-based Electromagnetic Energy Harvester Using CFD Simulations, Journal of Intelligent Material Systems and Structures, 9/2014; vol. 25, pp. 1800 – 1812
Morgenthal, G.,Yamasaki, Y., (Aerodynamic) Behaviour of Very Long Cable-stayed Bridges During Erection, Proceedings of ICE – Bridge Engineering, 163 (2010), pp. 213-224
Morgenthal, G., Walther, J.-H., An Immersed Interface Method for the Vortex-In-Cell Algorithm, Computers and Structures, 85 (2007), pp. 712-726
Morgenthal, G., Kovacs, I., Saul, R., Analysis of Aeroelastic Bridge Deck Response to Natural Wind, Structural Engineering International, 15 (2005), pp. 232-235
Morgenthal, G., Advances in Numerical Bridge Aerodynamics and Recent Applications, Structural Engineering International, 15 (2005), pp. 95-100
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0!==s?s:0}}},CAFKey="caf",ClickKey="click",NoCacheKey="nc",SessionKey="session",TRACKING_URL="_tr",buildSignature=({callbacks:e,context:t},n)=>{var i,s,a,o;return Object.assign({ad_loaded_callback:null==e?void 0:e.adLoadedCallback,app_version:version,caf_client_id:null===(i=null==t?void 0:t.pageOptions)||void 0===i?void 0:i.pubId,caf_timed_out:null==e?void 0:e.cafTimedOut,caf_loaded_ms:null==e?void 0:e.cafLoadedMs,channel:null===(s=null==t?void 0:t.pageOptions)||void 0===s?void 0:s.channel,desktop:t.desktop,terms:null===(a=null==t?void 0:t.pageOptions)||void 0===a?void 0:a.terms,fd_server_datetime:t.fd_server_datetime,fd_server:t.fd_server,flex_rule:t.flex_rule,host:t.host,ip:t.ip,ivt:null===(o=null==t?void 0:t.pageOptions)||void 0===o?void 0:o.ivt,js_error:t.js_error,mobile:t.mobile,no_ads_redirect:t.noAdsRedirect,page_headers:t.page_headers,page_loaded_callback:null==e?void 0:e.pageLoadedCallback,page_method:t.page_method,page_request:t.page_request,page_time:t.page_time,page_url:t.page_url,reportable_channel:t.reportableChannel,reportable_style_id:t.reportableStyleId,tablet:t.tablet,template_id:t.templateId,type:n,user_has_ad_blocker:t.user_has_ad_blocker,user_id:t.userId,uuid:t.uuid,zeroclick:t.zeroClick},browserState())},trackVisit=({callbacks:e,context:t},n,i="")=>{const s=`${i}/${TRACKING_URL}`,a=i?"include":"same-origin",o=buildSignature({callbacks:e,context:t},n);let r={};"click"===n&&(r={[ClickKey]:"true",[SessionKey]:t.uuid,[NoCacheKey]:Date.now().toString()}),fetch(s,{method:"POST",headers:{Accept:"application/json","Content-Type":"application/json"},credentials:a,body:JSON.stringify(Object.assign({signature:encode(o)},r))})};var State$1;!function(){if(!window.CustomEvent){function e(e,t){t=t||{bubbles:!1,cancelable:!1,detail:void 0};const n=document.createEvent("CustomEvent");return n.initCustomEvent(e,t.bubbles,t.cancelable,t.detail),n}e.prototype=window.Event.prototype,window.CustomEvent=e}}(),function(e){e[e.Pending=0]="Pending",e[e.Loaded=1]="Loaded",e[e.Failed=2]="Failed"}(State$1||(State$1={}));class Provider{get providerCtor(){return this.constructor}constructor(e){this.state=new Map,this.injectedAt=new Map,this.timeoutAt=new Map,this.timeoutSeconds=5,this.handlePixelEvent=e=>{this.keys.forEach((t=>{switch(this.state.get(t)){case State$1.Failed:break;case State$1.Pending:setTimeout((()=>this.handlePixelEvent(e)),100);break;case State$1.Loaded:this.onPixelEvent(e,t)}}))},this.watch=e=>{switch(this.state.get(e)){case State$1.Loaded:case State$1.Failed:break;case State$1.Pending:this.isLoaded(e)?this.state.set(e,State$1.Loaded):this.isTimedOut(e)?this.state.set(e,State$1.Failed):setTimeout((()=>this.watch(e)),50)}},this.config=e,this.keys.length>0?this.keys.forEach((e=>{this.state.set(e,State$1.Pending);const t=new Date;t.setSeconds(t.getSeconds()+this.timeoutAfter()),this.timeoutAt.set(e,t),this.injectPixel(e)})):this.state.set("",State$1.Failed)}get keys(){return this.config?Object.keys(this.config):[]}getPixelEvents(e){var t,n;return null===(n=null===(t=this.config)||void 0===t?void 0:t[e])||void 0===n?void 0:n.pixel_events}injectPixel(e){this.injectedAt.has(e)||(this.injectedAt.set(e,new Date),this.inject(e),this.watch(e))}inject(e){if(!this.providerCtor.scriptInjected){const e=document.createElement("script");e.text=this.getScript(),document.head.appendChild(e),this.providerCtor.scriptInjected=!0}this.init(e)}isTimedOut(e){return+new Date>=+(this.timeoutAt.get(e)||0)}timeoutAfter(){return this.timeoutSeconds}selectPixelEvents(e,t){const n=this.getPixelEvents(t);if(Array.isArray(n))return n.filter((t=>"term-view"===t.trigger&&"visit"===e||(!(!["term-click","ad-view"].includes(t.trigger)||"ctr"!==e)||"ad-click"===t.trigger&&"click"===e)))}}class Facebook extends Provider{getScript(){return"!function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window, document,'script','https://connect.facebook.net/en_US/fbevents.js');"}init(e){window.fbq&&window.fbq("init",e)}onPixelEvent(e,t){const n=this.selectPixelEvents(e,t);n&&n.forEach((e=>{e&&(e.custom?window.fbq("trackSingleCustom",t,e.event):window.fbq("trackSingle",t,e.event))}))}isLoaded(e){return!!window.fbq&&window.fbq.getState&&window.fbq.getState(e)}}Facebook.scriptInjected=!1;class Outbrain extends Provider{getScript(){return`!function(_window, _document) { var OB_ADV_ID = ${JSON.stringify(this.keys)}; if (_window.obApi) { var toArray = function(object) { return Object.prototype.toString.call(object) === '[object Array]' ? object : [object]; }; _window.obApi.marketerId = toArray(_window.obApi.marketerId).concat(toArray(OB_ADV_ID)); return; } var api = _window.obApi = function() { api.dispatch ? api.dispatch.apply(api, arguments) : api.queue.push(arguments); }; api.version = '1.1'; api.loaded = true; api.marketerId = OB_ADV_ID; api.queue = []; var tag = _document.createElement('script'); tag.async = true; tag.src = '//amplify.outbrain.com/cp/obtp.js'; tag.type = 'text/javascript'; var script = _document.getElementsByTagName('script')[0]; script.parentNode.insertBefore(tag, script); }(window, document);`}init(e){}onPixelEvent(e,t){const n=this.selectPixelEvents(e,t);n&&n.forEach((e=>{e&&window.obApi("track",e.event)}))}isLoaded(e){return!!window.obApi}}Outbrain.scriptInjected=!1;class Revcontent extends Provider{getScript(){return"var script=document.createElement('script');script.src='https://assets.revcontent.com/master/rev.js';document.head.appendChild(script);"}init(e){}onPixelEvent(e,t){const n=this.selectPixelEvents(e,t);n&&n.forEach((e=>{e&&window.rev("event",e.event)}))}isLoaded(e){return!!window.rev}}Revcontent.scriptInjected=!1;class Taboola extends Provider{getScript(){return`window._tfa = window._tfa || [];!function (t, f, a, x) {if (!document.getElementById(x)) {t.async = 1;t.src = a;t.id=x;f.parentNode.insertBefore(t, f);}}(document.createElement('script'),document.getElementsByTagName('script')[0],'//cdn.taboola.com/libtrc/unip/${this.keys[0]}/tfa.js','tb_tfa_script');`}init(e){}onPixelEvent(e,t){const n=this.selectPixelEvents(e,t);n&&n.forEach((e=>{if(e){const n=parseInt(t,10);window._tfa.push({notify:"event",name:e.event,id:n})}}))}isLoaded(e){return Array.isArray(window._tfa)}}Taboola.scriptInjected=!1;class Tiktok extends Provider{getScript(){return'!function (w, d, t) {w.TiktokAnalyticsObject=t;var ttq=w[t]=w[t]||[];ttq.methods=["page","track","identify","instances","debug","on","off","once","ready","alias","group","enableCookie","disableCookie"],ttq.setAndDefer=function(t,e){t[e]=function(){t.push([e].concat(Array.prototype.slice.call(arguments,0)))}};for(var i=0;i{e&&window.ttq.instance(t).track(e.event)}))}isLoaded(){return!!window.ttq}}Tiktok.scriptInjected=!1;class GoogleAds extends Provider{getScript(){return`var s=document.createElement('script');s.async=1;s.src='https://www.googletagmanager.com/gtag/js?id=${this.keys[0]}';document.head.appendChild(s);window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}gtag('set','allow_ad_personalization_signals',false);gtag('js',new Date);`}init(e){window.gtag&&window.gtag("config",e)}onPixelEvent(e,t){const n=this.selectPixelEvents(e,t);n&&n.forEach((e=>{e&&window.gtag("event","conversion",{send_to:`${t}/${e.event}`})}))}isLoaded(e){return!!window.gtag}}GoogleAds.scriptInjected=!1;const ADS_PARAM$1=CAFKey,MESSAGE_PREFIX="FSXDC,.aCS:",ALLOWED_ORIGINS=["https://www.google.com","https://www.adsensecustomsearchads.com","https://syndicatedsearch.goog","https://googleadservices.com"];class Pixels{static build(e){const t=unpackPHPArrayObject(e,"pixel_tracking_data");if(t)return t.useAltTikTokEventsForAdsPlatformUser=e.is_ads,new Pixels(t)}constructor(e){this.onPixelEvent=e=>{const{detail:{type:t}}=e;switch(t){case"visit":case"ctr":case"click":this.providers.forEach((e=>e.handlePixelEvent(t)))}},this.providers=[],e.facebook&&Object.keys(e.facebook).forEach((t=>{this.providers.push(new Facebook({[t]:e.facebook[t]}))})),e.tiktok&&Object.keys(e.tiktok).forEach((t=>{this.providers.push(new Tiktok({[t]:e.tiktok[t]}))})),e.taboola&&Object.keys(e.taboola).forEach((t=>{this.providers.push(new Taboola({[t]:e.taboola[t]}))})),e.revcontent&&Object.keys(e.revcontent).forEach((t=>{this.providers.push(new Revcontent({[t]:e.revcontent[t]}))})),e.outbrain&&this.providers.push(new Outbrain(e.outbrain)),e.googleads&&Object.keys(e.googleads).forEach((t=>{this.providers.push(new GoogleAds({[t]:e.googleads[t]}))}))}listenForEvents(){document.addEventListener("pixel",(e=>{this.onPixelEvent(e)}));window.onmessage=e=>{const{origin:t,data:n}=e;ALLOWED_ORIGINS.includes(t)&&"string"==typeof n&&(null==n?void 0:n.startsWith(MESSAGE_PREFIX))&&new URLSearchParams(window.location.search).has(ADS_PARAM$1)&&document.dispatchEvent(new CustomEvent("pixel",{detail:{type:"click"}}))}}listenForPixelEvents(){document.addEventListener("pixel",(e=>{this.onPixelEvent(e)}))}dispatchEvent(e){document.dispatchEvent(new CustomEvent("pixel",{detail:e}))}}var State;!function(e){e[e.Pending=0]="Pending",e[e.Loaded=1]="Loaded",e[e.Failure=2]="Failure",e[e.TimedOut=3]="TimedOut",e[e.Errored=4]="Errored"}(State||(State={}));const CAF_SCRIPT_SRC=`https://www.google.com/adsense/domains/caf.js?${GOOGLE_MV3_URL_PARAMS}`,TIMEOUT_SCRIPTS=Number(GOOGLE_CAF_TIMEOUT_SCRIPTS),TIMEOUT_CALLBACKS=Number(GOOGLE_CAF_TIMEOUT_CALLBACKS);class StateMachine{constructor(){this.state=State.Pending}transitionTo(e){this.state=e}transitionFromPendingTo(e){this.done||(this.state=e)}get loaded(){return this.state===State.Loaded}get timedOut(){return this.state===State.TimedOut}get done(){return this.state!==State.Pending}}class Ads{constructor(e,t){this.state={script:new StateMachine,blocks:new StateMachine},this.blocksLoaded=[],this.injectScriptTags=()=>__awaiter(this,void 0,void 0,(function*(){return new Promise((e=>{const t=document.createElement("script");t.type="text/javascript",t.src=CAF_SCRIPT_SRC,t.addEventListener("load",(()=>e(!0))),t.addEventListener("error",(()=>e(!1))),document.body.appendChild(t),TIMEOUT_SCRIPTS>0&&setTimeout((()=>e(!1)),TIMEOUT_SCRIPTS)}))})),this.onPageLoaded=(e,t)=>{if(this.pageLoaded={requestAccepted:e,status:t},this.state.script.done)return;const n=null==t?void 0:t.error_code;n?(this.state.script.transitionTo(State.Failure),this.failureReason=`caf_pageloaderror_${n}`):this.state.script.transitionTo(State.Loaded)},this.onBlockLoaded=(e,t,n,i)=>{this.blocksLoaded.push({containerName:e,adsLoaded:t,isExperimentVariant:n,callbackOptions:i}),this.state.blocks.done||(t?this.state.blocks.transitionTo(State.Loaded):this.blocksLoaded.length>=this.blocks.length&&(this.state.blocks.transitionTo(State.Failure),this.failureReason=`caf_adloadfail_${e}`))},this.onTimeout=()=>{this.state.script.transitionFromPendingTo(State.TimedOut),this.state.blocks.transitionFromPendingTo(State.TimedOut)},this.blocks=e,this.options=t}get loaded(){return this.state.script.loaded&&!this.blocksLoaded.map((e=>e.adsLoaded)).includes(!1)}waitForBlocks(){return __awaiter(this,void 0,void 0,(function*(){return new Promise((e=>{const t=()=>{const n=performance.now();if(this.state.blocks.done)return this.cafLoadTime=Math.round(n-this.cafStartTime),void e();const i=this.blocksLoaded.map((e=>e.adsLoaded));i.includes(!1)||i.length>=this.blocks.length?e():setTimeout(t,50)};t()}))}))}inject(){return __awaiter(this,void 0,void 0,(function*(){try{const e=yield this.injectScriptTags();return this.cafStartTime=performance.now(),e&&void 0!==window.google?(new window.google.ads.domains.Caf(Object.assign(Object.assign({},this.options),{pageLoadedCallback:this.onPageLoaded,adLoadedCallback:this.onBlockLoaded}),...this.blocks),TIMEOUT_CALLBACKS>0&&setTimeout(this.onTimeout,TIMEOUT_CALLBACKS),yield new Promise((e=>{const t=()=>{this.state.script.done?e():setTimeout(t,10)};t()}))):void this.state.script.transitionTo(State.Failure)}catch(e){return void(this.error=e.toString())}}))}toCallbacks(){return{adLoadedCallback:this.blocksLoaded.slice(-1)[0],pageLoadedCallback:this.pageLoaded,cafTimedOut:this.state.script.timedOut||this.state.blocks.timedOut,cafLoadedMs:this.cafLoadTime,googleAdsFailure:!!this.failureReason}}toContext(){const e={cafScriptWasLoaded:this.state.script.loaded,cafScriptLoadTime:this.cafLoadTime,callbacks:this.toCallbacks};return this.error&&(e.js_error={message:this.error}),this.state.script.loaded||(e.zeroclick={reason:"googleAdsFailure"}),e}mockFailedState(){this.state.blocks.transitionTo(State.Failure),this.state.script.transitionTo(State.Failure)}}class TagManager{constructor(e){this.injected=!1,this.identifier=e}inject(){if(this.injected)return;if(!this.identifier)return;if("TEST"===this.identifier)return;const e=document.createElement("script");e.setAttribute("src",`https://www.googletagmanager.com/gtag/js?id=${this.identifier}`),document.head.appendChild(e),this.track(),this.injected=!0}track(){this.push("js",new Date),this.push("config",this.identifier)}push(e,t){window.dataLayer||(window.dataLayer=[]),window.dataLayer.push(arguments)}}const ADS_PARAM=CAFKey,ADS_TRACKING_URL="_tr",BLOCKS_TYPE="ads",BLOCKS_CONTAINER="rs",KNOWN_CAF_PARAMS=["caf","query","afdToken","pcsa","nb","nm","nx","ny","is","clkt"];class Google{static build({pageOptions:e,preferredLanguage:t,blocks:n,googleAnalytics:i},s,a,o){let r={};e&&(r=Object.assign({},e),r.hl||(r.hl=t));let d=null==e?void 0:e.resultsPageBaseUrl;d||(d=window.location.origin);return new Google(s.uuid,n,r,i,d,o)}constructor(e,t,n,i,s,a){this._blocks=t,this._pageOptions=n,this.uuid=e,this._baseURL=new URL(s),this._signature=a,this.ads=new Ads(this.blocks,this.pageOptions),this.tagManager=new TagManager(i)}injectTagManager(){this.tagManager.inject()}injectAds(){return __awaiter(this,void 0,void 0,(function*(){yield this.ads.inject()}))}waitForBlocks(){return __awaiter(this,void 0,void 0,(function*(){return this.ads.waitForBlocks()}))}get blocks(){return(this._blocks||[]).filter((e=>this.wantsToServeAds?e.type===BLOCKS_TYPE:e.container===BLOCKS_CONTAINER)).map((e=>{const t=this.baseURL;new URLSearchParams(window.location.search).forEach(((e,n)=>{t.searchParams.has(n)||t.searchParams.append(n,e)}));const n=Object.assign({},e);if(n.resultsPageBaseUrl=t.toString(),this.wantsToServeAds){const e=new URLSearchParams;e.append("click","true"),e.append("session",this.uuid);const t=Object.assign({},this._signature);delete t.ad_loaded_callback,delete t.caf_loaded_ms,delete t.caf_timed_out,delete t.flex_rule,delete t.frame,delete t.js_error,delete t.no_ads_redirect,delete t.page_headers,delete t.page_request,delete t.page_loaded_callback,delete t.popup,delete t.screen_resolution,delete t.user_has_ad_blocker,delete t.user_preference,delete t.user_supports_darkmode,delete t.user_using_darkmode,delete t.zeroclick,e.append("signature",encode(t)),n.clicktrackUrl=`${TRACKING_DOMAIN}${ADS_TRACKING_URL}?${e.toString()}`}return n}))}get baseURL(){const e=new URL(this._baseURL.origin);return e.searchParams.append(ADS_PARAM,"1"),this._baseURL.searchParams.forEach(((t,n)=>{e.searchParams.append(n,t)})),e}get pageOptions(){const e=Object.assign({},this._pageOptions);return Object.keys(this._pageOptions).forEach((t=>{t.startsWith("bodis")&&delete e[t]})),e}get cannotLoadAds(){return!this.ads.loaded}get wantsToServeAds(){return new URLSearchParams(window.location.search).has(ADS_PARAM)}get adsMode(){return this.ads.loaded&&this.wantsToServeAds}get adsReady(){return this.wantsToServeAds&&!this.cannotLoadAds}get noAdsRedirectUrl(){const e=new URLSearchParams(window.location.search);return KNOWN_CAF_PARAMS.forEach((t=>e.delete(t))),`${window.location.origin}?${e.toString()}`}get callbacks(){return this.ads.toCallbacks()}toContext(){return Object.assign({blocks:this.blocks,pageOptions:this.pageOptions},this.ads.toContext())}}class CookieConsentManager{constructor(){this.injectScriptTag=()=>__awaiter(this,void 0,void 0,(function*(){return new Promise((e=>{const t=document.createElement("script");t.setAttribute("src",COOKIE_CONSENT_JS_URL),t.addEventListener("load",(()=>this.awaitConsent(e))),t.addEventListener("error",(()=>e(!1))),document.head.appendChild(t)}))}))}inject(){return __awaiter(this,void 0,void 0,(function*(){this.injected||!COOKIE_CONSENT_JS_URL||isLocal()||(this.injected=yield this.injectScriptTag())}))}awaitConsent(e){let t=0;const n=setInterval((()=>{t+=1,20===t&&(clearInterval(n),e(!0)),void 0!==window.__tcfapi&&(window.addEventListener("ConsentActivity",(t=>{const{detail:{status:n}}=t;n&&e(!0)})),clearInterval(n))}),50)}}class Cheq{constructor(e){let t;if(t="string"==typeof e?parseInt(e,10):e,t<0||t>100)throw new Error("Load percentage must be between 0 and 100");this.loadPercentage=t}inject(e,t,n){return __awaiter(this,void 0,void 0,(function*(){if(!n||this.injected)return;100*Math.random()<=this.loadPercentage&&(this.injected=this.injectScriptTag(e,t))}))}injectScriptTag(e,t){const n=document.createElement("script");return n.type="text/javascript",n.async=!0,n.setAttribute("src","https://ob.forseasky.com/i/148870ae21863d775c347e8893c985af.js"),n.setAttribute("data-ch","cheq4ppc"),n.setAttribute("data-uvid",e),n.setAttribute("data-utm-campaign",t.toString()),n.className="ct_clicktrue_73521",document.head.appendChild(n),!0}}class App{main(){var e,t;return __awaiter(this,void 0,void 0,(function*(){if(this.parkResponse=decode(),this.findDomainResponse=yield getFindDomain(),!this.findDomainResponse)throw new Error("Domain failed to load.");this.pixels=Pixels.build(this.findDomainResponse),null===(e=this.pixels)||void 0===e||e.listenForEvents(),this.adblock=new Adblock,yield this.adblock.inject(),this.google=Google.build(this.findDomainResponse,this.parkResponse,this.adblock,buildSignature({context:this.context,callbacks:null===(t=this.google)||void 0===t?void 0:t.callbacks},"click")),this.google.injectTagManager();const n=Parking.build(this.findDomainResponse,this.google);Render.prerender(n),this.cheq=new Cheq(AFD_CHEQ_LOAD_PERCENTAGE),this.cheq.inject(this.parkResponse.uuid,this.findDomainResponse.userId,this.findDomainResponse.referral),this.cookieConsentManager=new CookieConsentManager,yield this.cookieConsentManager.inject();let i=Failed.cannotPark(this.findDomainResponse);if(i)return void(yield this.transitionToFailed(i,n));yield this.google.injectAds();let s=Disabled.build(this.findDomainResponse,this.adblock.state);if(s)return void(yield this.transitionToDisabled(s,n));const a=this.adblock.hasAdblocker();a&&this.adblock.handleAdblocked();const o=Sales.build(this.findDomainResponse);if(o)return void(yield this.transitionToSales(o));this.eligibleForZeroClick&&(this.zeroClickResponse=yield getZeroClick(this.context));const r=Redirect.build(this.findDomainResponse,this.zeroClickResponse,this.google);if(r)yield this.transitionToRedirect(r);else{if(a)return s=Disabled.build(this.findDomainResponse,this.adblock.state),void(yield this.transitionToDisabled(s,n));i=Failed.noSponsors(this.google),i?yield this.transitionToFailed(i,n):yield this.transitionToParking(n)}}))}transitionToParking(e){return __awaiter(this,void 0,void 0,(function*(){this.state=e,Render.template(e),Render.revealPage(),yield this.google.waitForBlocks(),yield this.track()}))}transitionToRedirect(e){return __awaiter(this,void 0,void 0,(function*(){this.state=e;const t=this.track();Render.revealPage(),yield waiter(e.delay,(e=>Render.loading(e))),yield t,window.location.href=e.url,log(`➡ Redirecting [${e.url}]`)}))}transitionToFailed(e,t){return __awaiter(this,void 0,void 0,(function*(){this.state=e,Render.message(e.message),Render.injectJS(t.javascript),Render.revealPage(),yield this.track()}))}transitionToSales(e){return __awaiter(this,void 0,void 0,(function*(){this.state=e,e.init(this.context),yield this.track()}))}transitionToDisabled(e,t){return __awaiter(this,void 0,void 0,(function*(){this.state=e,Render.message(e.message),Render.injectJS(t.javascript),"adblocker"===e.reason&&t.bannerAdblockerOnly&&Render.revealSalesBanner(),Render.revealPage(),yield this.track()}))}track(){var e;return __awaiter(this,void 0,void 0,(function*(){if(!this.state.track)return Promise.resolve();try{const t=this.state.trackingType;return null===(e=this.pixels)||void 0===e||e.dispatchEvent({type:t}),trackVisit({context:this.context,callbacks:this.google.callbacks},t)}catch(e){return}}))}get eligibleForZeroClick(){const{cannotPark:e,canZeroClick:t,zeroClick:n}=this.findDomainResponse,{cannotLoadAds:i,wantsToServeAds:s}=this.google;return this.adblock.state!==Blocking.BLOCKED&&(!!t&&(!!e||(!(!i||s)||!!(null==n?void 0:n.reason))))}get context(){var e,t,n,i;const s=this.findDomainResponse,a=this.parkResponse,o=null===(e=this.state)||void 0===e?void 0:e.toContext(),r=null===(t=this.adblock)||void 0===t?void 0:t.toContext(),d=null===(n=this.google)||void 0===n?void 0:n.toContext(),c=browserState(),l=Object.assign(Object.assign({},null===(i=this.findDomainResponse)||void 0===i?void 0:i.zeroClick),this.zeroClickResponse);return Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({app_version:APP_VERSION},s),a),r),d),o),c),{zeroClick:l})}init(){return __awaiter(this,void 0,void 0,(function*(){try{window.__parkour=this,yield this.main()}catch(e){console.error("app",e);const t=Failed.fromError(e);this.state=t,Render.message(t.message),Render.revealPage()}}))}}(new App).init(),exports.App=App}));