wd15 · May 28, 2026 17:39
diff --git a/dt-workflow.html b/dt-workflow.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Simplified Digital Twin Workflow - Brief</title>
 <style>
    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background-color: #ffffff;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
    }
    
    .diagram-wrapper {
        position: relative;
        width: 800px;
        height: 520px;
        background: #ffffff; 
        border-radius: 12px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.08); 
        border: 1px solid #e1e4e8;
        overflow: hidden;
    }

    /* Base Box Style */
    .box {
        position: absolute;
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 220px;
        padding: 15px;
        border-radius: 8px;
        z-index: 2;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        background: white;
        border-left: 6px solid;
    }

    .box-title {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 4px;
        color: #24292f;
    }

    .box-subtext {
        font-size: 13px;
        color: #57606a;
        line-height: 1.3;
    }

    /* Specific Box Themes & Positions */
    .box-hifi {
        top: 40px; left: 50px;
        border-color: #34495e; /* Dark Blue/Gray */
    }

    .box-surrogate {
        top: 200px; left: 50px;
        border-color: #2980b9; /* Bright Blue */
    }

    .box-dt {
        top: 380px; left: 50px;
        border-color: #27ae60; /* Emerald Green */
    }

    .box-da {
        top: 200px; left: 500px;
        border-color: #8e44ad; /* Purple */
    }

    .box-physical {
        top: 380px; left: 500px;
        border-color: #c0392b; /* Red */
    }

    /* SVG Layer for Connecting Lines */
    .line-layer {
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        z-index: 1;
        pointer-events: none;
    }

    .flow-line {
        fill: none;
        stroke: #95a5a6;
        stroke-width: 3;
        marker-end: url(#arrowhead);
    }

    .flow-line-dashed {
        fill: none;
        stroke: #95a5a6;
        stroke-width: 3;
        stroke-dasharray: 6, 6;
        marker-end: url(#arrowhead);
    }

    .label-text {
        font-size: 13px;
        font-weight: 600;
        fill: #57606a;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

 </style>
 </head>
 <body>

 <div class="diagram-wrapper">
    
    <div class="box box-hifi">
        <div class="box-title">High-Fidelity Models</div>
        <div class="box-subtext">Physics-based ground truth (e.g., AdditiveFOAM).</div>
    </div>

    <div class="box box-surrogate">
        <div class="box-title">Ensembles & Surrogates</div>
        <div class="box-subtext">Fast-executing AI (FNOs) generating prior states.</div>
    </div>

    <div class="box box-dt">
        <div class="box-title">Digital Twin</div>
        <div class="box-subtext">Continuously updated digital shadow.</div>
    </div>

    <div class="box box-da">
        <div class="box-title">Data Assimilation</div>
        <div class="box-subtext">EnKF framework for state correction.</div>
    </div>

    <div class="box box-physical">
        <div class="box-title">Experimental Data</div>
        <div class="box-subtext"></div>
    </div>

    <svg class="line-layer">
        <defs>
            <marker id="arrowhead" markerWidth="10" markerHeight="7" refX="9" refY="3.5" orient="auto">
                <polygon points="0 0, 10 3.5, 0 7" fill="#95a5a6" />
            </marker>
        </defs>

        <path d="M 160 110 L 160 190" class="flow-line" />
        <text x="175" y="155" class="label-text">Training</text>

        <path d="M 160 270 L 160 370" class="flow-line" />
        <text x="175" y="325" class="label-text">Prior</text>

        <path d="M 610 380 L 610 270" class="flow-line" />
        <text x="625" y="330" class="label-text">Observations</text>

        <path d="M 300 235 L 490 235" class="flow-line" />
        <text x="345" y="225" class="label-text">Predictions</text>

        <path d="M 500 255 C 400 255, 400 410, 300 410" class="flow-line-dashed" />
        <text x="360" y="325" class="label-text" fill="#8e44ad">Correction</text>

    </svg>

 </div>

 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Simplified Digital Twin Workflow - Brief</title>
	<style>
	body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	background-color: #ffffff;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100vh;
	margin: 0;
	}

	.diagram-wrapper {
	position: relative;
	width: 800px;
	height: 520px;
	background: #ffffff;
	border-radius: 12px;
	box-shadow: 0 10px 40px rgba(0,0,0,0.08);
	border: 1px solid #e1e4e8;
	overflow: hidden;
	}

	/* Base Box Style */
	.box {
	position: absolute;
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 220px;
	padding: 15px;
	border-radius: 8px;
	z-index: 2;
	box-shadow: 0 4px 15px rgba(0,0,0,0.05);
	background: white;
	border-left: 6px solid;
	}

	.box-title {
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 4px;
	color: #24292f;
	}

	.box-subtext {
	font-size: 13px;
	color: #57606a;
	line-height: 1.3;
	}

	/* Specific Box Themes & Positions */
	.box-hifi {
	top: 40px; left: 50px;
	border-color: #34495e; /* Dark Blue/Gray */
	}

	.box-surrogate {
	top: 200px; left: 50px;
	border-color: #2980b9; /* Bright Blue */
	}

	.box-dt {
	top: 380px; left: 50px;
	border-color: #27ae60; /* Emerald Green */
	}

	.box-da {
	top: 200px; left: 500px;
	border-color: #8e44ad; /* Purple */
	}

	.box-physical {
	top: 380px; left: 500px;
	border-color: #c0392b; /* Red */
	}

	/* SVG Layer for Connecting Lines */
	.line-layer {
	position: absolute;
	top: 0; left: 0;
	width: 100%; height: 100%;
	z-index: 1;
	pointer-events: none;
	}

	.flow-line {
	fill: none;
	stroke: #95a5a6;
	stroke-width: 3;
	marker-end: url(#arrowhead);
	}

	.flow-line-dashed {
	fill: none;
	stroke: #95a5a6;
	stroke-width: 3;
	stroke-dasharray: 6, 6;
	marker-end: url(#arrowhead);
	}

	.label-text {
	font-size: 13px;
	font-weight: 600;
	fill: #57606a;
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	}

	</style>
	</head>
	<body>

	<div class="diagram-wrapper">

	<div class="box box-hifi">
	<div class="box-title">High-Fidelity Models</div>
	<div class="box-subtext">Physics-based ground truth (e.g., AdditiveFOAM).</div>
	</div>

	<div class="box box-surrogate">
	<div class="box-title">Ensembles & Surrogates</div>
	<div class="box-subtext">Fast-executing AI (FNOs) generating prior states.</div>
	</div>

	<div class="box box-dt">
	<div class="box-title">Digital Twin</div>
	<div class="box-subtext">Continuously updated digital shadow.</div>
	</div>

	<div class="box box-da">
	<div class="box-title">Data Assimilation</div>
	<div class="box-subtext">EnKF framework for state correction.</div>
	</div>

	<div class="box box-physical">
	<div class="box-title">Experimental Data</div>
	<div class="box-subtext"></div>
	</div>

	<svg class="line-layer">
	<defs>
	<marker id="arrowhead" markerWidth="10" markerHeight="7" refX="9" refY="3.5" orient="auto">
	<polygon points="0 0, 10 3.5, 0 7" fill="#95a5a6" />
	</marker>
	</defs>

	<path d="M 160 110 L 160 190" class="flow-line" />
	<text x="175" y="155" class="label-text">Training</text>

	<path d="M 160 270 L 160 370" class="flow-line" />
	<text x="175" y="325" class="label-text">Prior</text>

	<path d="M 610 380 L 610 270" class="flow-line" />
	<text x="625" y="330" class="label-text">Observations</text>

	<path d="M 300 235 L 490 235" class="flow-line" />
	<text x="345" y="225" class="label-text">Predictions</text>

	<path d="M 500 255 C 400 255, 400 410, 300 410" class="flow-line-dashed" />
	<text x="360" y="325" class="label-text" fill="#8e44ad">Correction</text>

	</svg>

	</div>

	</body>
	</html>
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