tris-forms/viscositeit.html at main · Bixie/tris-forms · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Viscositeit Calculator DOM</title>
    <!-- UIkit -->
    <link
        rel="stylesheet"
        href="https://cdn.jsdelivr.net/npm/uikit@3.17.11/dist/css/uikit.min.css"
    />
    <script
        src="https://cdn.jsdelivr.net/npm/uikit@3.17.11/dist/js/uikit.min.js"></script>
    <script
        src="https://cdn.jsdelivr.net/npm/uikit@3.17.11/dist/js/uikit-icons.min.js"></script>
</head>
<body>
<style>
    .visc-calc .table-header{
        background: #55a6f7;
        color: #000;
    }
    .visc-calc .table-footer{
        background: #a8c3de;
        color: #000;
    }
</style>
<div id="visc-calc" class="visc-calc">
    <table class="uk-table uk-table-large">
        <tbody>
        <tr>
            <td colspan="3" class="uk-text-bold">
                Viscositeitscalculator met een specifieke temperatuur (ASTM D341)
            </td>
        </tr>
        <tr class="table-header">
            <td class="uk-table-shrink">
                Vul hieronder de temperatuur en viscositeit in die je kent. Deze vind je over het algemeen terug in de documentatie van je olie
            </td>
            <td class="uk-table-middle uk-text-bold">Temperatuur Celsius</td>
            <td class="uk-table-middle uk-text-bold">Viscositeit cSt</td>
        </tr>
        <tr>
            <td>Temperatuur en viscositeit 1</td>
            <td>
                <input type="text" name="a-temp" value="40.00"
                       class="uk-input" />
            </td>
            <td>
                <input type="text" name="a-visc" value="68.00"
                       class="uk-input" />
            </td>
        </tr>
        <tr>
            <td>Temperatuur en viscositeit 2</td>
            <td>
                <input type="text" name="b-temp" value="100.00"
                       class="uk-input" />
            </td>
            <td>
                <input type="text" name="b-visc" value="8.60"
                       class="uk-input" />
            </td>
        </tr>
        <tr>
            <td>Vul hier de bedrijfstemperatuur in</td>
            <td>
                <input type="text" name="target-temp" value="60.00"
                       class="uk-input" />
            </td>
            <td>℃</td>
        </tr>
        <tr class="table-footer">
            <td class="uk-text-nowrap">De viscositeit met bedrijfstemperatuur:</td>
            <td>
                <strong data-result>0</strong>
            </td>
            <td class="uk-table-middle uk-text-bold">
                cSt
            </td>
        </tr>
        </tbody>
    </table>
    <p>
        <button type="button" name="calculate"
                class="uk-button uk-button-primary">
            Berekenen
        </button>
    </p>
</div>
<script>
    (function() {
        const visCalc = document.getElementById('visc-calc');
        const resultEl = visCalc.querySelector('[data-result]');
        const calcButton = visCalc.querySelector('[name=calculate]');
        const inputs = {
            aTemp: visCalc.querySelector('[name=a-temp]'),
            aVisc: visCalc.querySelector('[name=a-visc]'),
            bTemp: visCalc.querySelector('[name=b-temp]'),
            bVisc: visCalc.querySelector('[name=b-visc]'),
            targetTemp: visCalc.querySelector('[name=target-temp]'),
        };

        calcButton.addEventListener('click', calcListener);
        Object.values(inputs)
            .forEach(el => el.addEventListener('blur', calcListener));

        function calcListener() {
            const result = calculate(validatedInputValues());
            resultEl.textContent = displayFloat(result);
        }

        function validatedInputValues() {
            const data = {};
            Object.entries(inputs)
                .forEach(([key, el]) => {
                    data[key] = getValidFloat(el.value);
                    el.value = displayFloat(data[key]);
                });
            return data;
        }

        function calculate(data) {
            const {
                aTemp,
                aVisc,
                bTemp,
                bVisc,
                targetTemp,
            } = data;
            const aTempLog = log10(aTemp + 273);
            const bTempLog = log10(bTemp + 273);
            const aViscLog = log10(log10(aVisc + 0.7));
            const bViscLog = log10(log10(bVisc + 0.7));
            const targetTempLog = log10(targetTemp + 273);
            const tempDiff = aTempLog - bTempLog;
            const viscRel = (bViscLog - aViscLog) / tempDiff;
            const aLogPoint = aViscLog + (viscRel * aTempLog);
            const targetLogPoint = aLogPoint - (viscRel * targetTempLog);
            const targetPowPoint = Math.pow(10, Math.pow(10, targetLogPoint));
            return targetPowPoint - 0.7;
        }

        function getValidFloat(str) {
            str = String(str).replace(/,/g, '.');
            const res = parseFloat(str);
            return isNaN(res) ? 0 : res;
        }

        function displayFloat(n, nrDecimals = 2) {
            if (checkIsNaN(n)) {
                return Number.NaN;
            } else {
                const res = round(n, nrDecimals);
                if (nrDecimals > 0) {
                    const str = String(res);
                    if (!str.includes('.') || str.includes('E') || str.includes('e')) {
                        return str;
                    }
                    const [main, decimals] = str.split('.');
                    return `${main}.${decimals.padEnd(2, '0')}`;
                } else {
                    return res;
                }
            }
        }

        function checkIsNaN(x) {
            return (isNaN(x) || (typeof x == 'number' && !isFinite(x)));
        }

        function log10(x) {
            return Math.log(x) / Math.LN10;
        }

        function round(n, nrDecimals) {
            if (isFinite(n) && isFinite(nrDecimals)) {
                const sign_n = (n < 0) ? -1 : 1;
                const abs_n = Math.abs(n);
                const factor = Math.pow(10, nrDecimals);
                return sign_n * Math.round(abs_n * factor) / factor;
            } else {
                return Number.NaN;
            }
        }
    })();
</script>
</body>
</html>