Barrel Volumenrechner |
<script language="JavaScript">
function perRound(num, precision) {
var precision = 3; //default value if not passed from caller, change if desired
// remark if passed from caller
precision = parseInt(precision); // make certain the decimal precision is an integer
var result1 = num * Math.pow(10, precision);
var result2 = Math.round(result1);
var result3 = result2 / Math.pow(10, precision);
return zerosPad(result3, precision);
}
function zerosPad(rndVal, decPlaces) {
var valStrg = rndVal.toString(); // Convert the number to a string
var decLoc = valStrg.indexOf("."); // Locate the decimal point
// check for a decimal
if (decLoc == -1) {
decPartLen = 0; // If no decimal, then all decimal places will be padded with 0s
// If decPlaces is greater than zero, add a decimal point
valStrg += decPlaces > 0 ? "." : "";
}
else {
decPartLen = valStrg.length - decLoc - 1; // If there is a decimal already, only the needed decimal places will be padded with 0s
}
var totalPad = decPlaces - decPartLen; // Calculate the number of decimal places that need to be padded with 0s
if (totalPad > 0) {
// Pad the string with 0s
for (var cntrVal = 1; cntrVal <= totalPad; cntrVal++)
valStrg += "0";
}
return valStrg;
}
// send the value in as "num" in a variable
// clears field of default value
function clear_field(field) {
if (field.value==field.defaultValue) {
field.value=''
}
}
// data definitions
// variables
var i="";
function ClearForm(form){
form.rad1.value = "";
form.rad2.value = "";
form.height.value = "";
form.vol.value="";
form.answer.value="";
}
function rad1(rad2, height, vol) {
stuff1= eval((3*vol)/(Math.PI*height));
stuff1 = eval((stuff1) - eval(rad2*rad2));
stuff1 = Math.abs(eval(stuff1/2));
stuff1 = eval(Math.sqrt(stuff1));
return stuff1;
}
function rad2(rad1, height, vol) {
inside=eval(3*vol/(Math.PI*height));
inside= eval(inside - 2*rad1*rad1);
inside=Math.abs(inside);
stuff2=eval(Math.sqrt(inside));
return stuff2;
}
function height(rad1, rad2, vol) {
barheight=(eval(eval(2*rad1*rad1)+ eval(rad2*rad2))*Math.PI);
barheight=eval((3*vol)/barheight);
return barheight;
}
function vol(rad1, rad2, height) {
p = Math.PI;
barvol=eval(eval(2*rad1*rad1) + eval(rad2*rad2));
barvol=eval(height * p * barvol/3);
return barvol;
}
function checkform(form) {
if (form.rad1.value==""&&form.rad2.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.rad1.value==""&&form.rad2.value==""&&form.vol.value=="") {
i = 4;
return true;
}
if (form.vol.value==""&&form.rad1.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.vol.value==""&&form.rad2.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.vol.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.rad1.value==""&&form.vol.value=="") {
i = 4;
return true;
}
if (form.rad2.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.rad2.value==""&&form.vol.value=="") {
i = 4;
return true;
}
if (form.rad1.value==""&&form.rad2.value=="") {
i = 4;
return true;
}
if (form.rad1.value==""&&form.height.value=="") {
i = 4;
return true;
}
if (form.vol.value==""){
i = 0;
return true;
}
else if (form.rad1.value=="") {
i = 1;
}
else if (form.rad2.value==""){
i = 2;
}
else if (form.height.value==""){
i = 3;
}
return true;
}
function computeform(form) {
if (checkform(form)){
if (i ==4) {
alert("\n INCOMPLETE DATA! \n Plese complete form first");
}
else if (i ==1){
barr1=Math.abs(rad1(form.rad2.value, form.height.value, form.vol.value));
form.rad1.value=barr1;
form.answer.value=barr1;
}
else if (i ==2){
barr2=Math.abs(rad2(form.rad1.value, form.height.value, form.vol.value));
form.rad2.value=barr2;
form.answer.value=barr2;
}
else if (i ==3){
barht=Math.abs(height(form.rad1.value, form.rad2.value, form.vol.value));
form.height.value=barht;
form.answer.value=barht;
}
else if (i ==0) {
barvolume=Math.abs(vol(form.rad1.value, form.rad2.value, form.height.value));
form.vol.value=barvolume;
form.answer.value=perRound(barvolume);
}
}
return true;
}
</script>
Barrel Volume Calculator, um das Volumen eines Fasses auf der Grundlage von Werten des oberen oder unteren Radius und des mittleren Zylinders des Barrel zu ermitteln. Barrel ist ein großer runder Behälter mit flachen Enden und gekrümmten Seiten.
Formuläre
Volume = (h * pi * (2 * R1 2 + R2 2 ) / 3)
Barrel Volumenrechner
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