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FlatPLateClutch.html
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FlatPLateClutch.html
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<html lang="en-US">
<head>
<meta charset="UTF-8">
<title>SOLVE - Mechanics of Machines Lab - Flat Plate Clutch</title>
<link rel="stylesheet" href="sins/MOMstyle.css" />
<!-- <script src='http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js'></script> -->
<!-- <script src='http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.0/jquery-ui.min.js'></script> -->
<script type="text/javascript" src="sins/jquery.min.js"></script>
<script type="text/javascript" src="sins/jquery-ui.min.js"></script>
<script type="text/javascript" src="sins/MOMscript.js"></script>
<script src="sins/graph.ob.js"></script>
<script src="sins/graph_use.ob.js"></script>
<script src="sins/graph_use2.ob.js"></script>
<link href="sins/mathstyle.css" rel="stylesheet" />
<!--Stylesheet to display Math functions -->
</head>
<body onload="editcss(); startsim(); varinit();printcomment()">
<noscript>
The simulation requires JavaScript to be enabled.
</noscript>
<div id="container">
<div id="simtitle">Flat Plate Clutch</div>
<canvas id="simscreen" height="400" width="550"></canvas>
<p id="eqn" style="position:absolute; left: 380px; top: 90px;font-size: 24px; font-family: Times New Roman;"> </p>
<!--Used mathstyle.css file to display equation-->
</div>
<div id="titleincanvas"></div>
<div id="commentboxleft"></div>
<div id="vartitle">VARIABLES</div>
<div id="variables">
<div id="mset" class="variable">
<div class="varname">
<p title="Speed of the Governor">W (N) </p>
<input id="nspinner"></div>
<div id="nslider" style="margin: 5%"></div>
<div class="varname">
<p title="Speed of the Governor">M (Nm) </p>
<input id="Mspinner"></div>
<div id="Mslider"></div>
</div>
<div id="nset" class="variable">
<div class="varname">
<p title="Height of the Governor">RPM </p>
<input id="hval1" type="textbox" style="background-color:white;width:60px;color:black"></div>
</div>
</div>
<div id="ctrltitle">CONTROLS</div>
<div id="controls">
<div class="usercheck">
<input type="checkbox" id="cb" onclick="drawgraphh();" />
<p>Show Graph</p>
<!-- Checkbox to display graph-->
</div>
</div>
<div id="copyright" title="Developer : Adharsh Kamath"> Copyright © SOLVE The Virtual Lab @ NITK Surathkal </div>
</div>
<script type="text/javascript">
var canvas = document.getElementById("simscreen"); //gets canvas id
var ctx = canvas.getContext("2d"); //gets canvas context
//Array to hold datapoints to plot graph
var datapoints1 = [];
//rotation variables
var gr = 0;
var simstatus = 1;
var rotstatus = 1;
//animation variables
var omegain = 1; //angular velocity of driven shaft(bigger plate)
var omegaout = 1; //angular velocity of driving shaft(smaller plate)
var thetain = 0;
var thetaout = 0;
var d = 20; //distance between plates
var r_out = 60; //radius of big plate
var r_in = 9; //radius of shafts
var r = 38; //radius of small plate
var x1 = 0; //coordinates for outer disc radial rods
var y1 = 0;
var x2 = 0;
var y2 = 0;
var x3 = 0; //coordinates for inner disc radial rods
var y3 = 0;
var x4 = 0;
var y4 = 0;
//Here the point() is defind function in proell.js file to define a point
var trans = new point(150, 150); //top view center point
var transa = new point(150, 335); //front view center point
var transaa = new point(200, 450); //graph location
//frontview points
var o = new point(0, 0, ""); //origin
var z1 = new point(0, 0, ""); //outer radial rod endpoints
var z2 = new point(0, 0, "");
var z3 = new point(0, 0, "");
var z4 = new point(0, 0, "");
var s1 = new point(0, 0, ""); //inner radial rod endpoints
var s2 = new point(0, 0, "");
var s3 = new point(0, 0, "");
var s4 = new point(0, 0, "");
//topview points
var p = new point(0, 0, ""); //origin
var p1 = new point(0, 0, ""); //bigger disc end points
var p2 = new point(0, 0, "");
var u1 = new point(0, 0, ""); //shaft ends
var u2 = new point(0, 0, "");
var q = new point(0, 0, ""); //smaller disc origin
var q1 = new point(0, 0, ""); //smaller disc endpoints
var q2 = new point(0, 0, "");
var a1 = new point(0, 0, "");
var a2 = new point(0, 0, "");
var a3 = new point(0, 0, "");
var a4 = new point(0, 0, "");
var t1 = new point(0, 0, "");
var t2 = new point(0, 0, "");
var b1 = new point(0, 0, "");
var b2 = new point(0, 0, "");
var b3 = new point(0, 0, "");
var b4 = new point(0, 0, "");
var b5 = new point(0, 0, "");
var b6 = new point(0, 0, "");
var b7 = new point(0, 0, "");
var b8 = new point(0, 0, "");
var b9 = new point(0, 0, "");
var b10 = new point(0, 0, "");
function editcss() {
$('.variable').css('padding-top', '20px');
$('.usercheck').css('left', '30px');
// $('#legend').css("width",document.getElementById('legendimg').width+"px");
// $('#legend').css("top",419);
// $('#legend').css("left",342);
$('#container').css("top", 0);
$('#container').css("left", 0);
$('#legendicon').css("top", 471);
}
function startsim() {
simTimeId = setInterval("varupdate();", 100);
}
function varinit() {
varchange();
$('#nslider').slider("value", 0);
$('#nspinner').spinner("value", 0);
$('#Mslider').slider("value", 0);
$('#Mspinner').spinner("value", 0);
}
function varchange() {
$('#nslider').slider({
max: 2000,
min: 0,
step: 1
}); // slider initialisation : jQuery widget
$('#nspinner').spinner({
max: 2000,
min: 0,
step: 1
}); // number initialisation : jQuery widget
$("#nslider").on("slide", function(e, ui) {
$('#nspinner').spinner("value", ui.value);
$('#Mspinner').spinner("value", 0.05 * ui.value);
$('#Mslider').slider("value", 0.05 * ui.value);
});
$("#nspinner").on("spin", function(e, ui) {
$('#nslider').slider("value", ui.value);
$('#Mspinner').spinner("value", 0.05 * ui.value);
$('#Mslider').slider("value", 0.05 * ui.value);
});
$("#nspinner").on("change", function() {
varchange()
});
$('#Mslider').slider({
max: 100,
min: 0,
step: 0.5
}); // slider initialisation : jQuery widget
$('#Mspinner').spinner({
max: 100,
min: 0,
step: 0.5
}); // number initialisation : jQuery widget
$("#Mslider").on("slide", function(e, ui) {
$('#Mspinner').spinner("value", ui.value);
$('#nspinner').spinner("value", 20 * ui.value);
$('#nslider').slider("value", 20 * ui.value)
});
$("#Mspinner").on("spin", function(e, ui) {
$('#Mslider').slider("value", ui.value);
$('#nspinner').spinner("value", 20 * ui.value);
$('#nslider').slider("value", 20 * ui.value)
});
$("#Mspinner").on("change", function() {
varchange()
});
varupdate();
}
function varupdate() {
Thrust = $('#nspinner').spinner("value");
Moment = $('#Mspinner').spinner('value');
var thirtyByPi = 9.5499;
omegain = 100;
thetain = thetain + (0.2 * deg(omegain));
x1 = r_out * Math.cos(rad(thetain));
y1 = r_out * Math.sin(rad(thetain));
// x2 = r_out * Math.cos(rad(thetain + 90));
// y2 = r_out * Math.sin(rad(thetain + 90));
omegaout = ((400 - 100) * (Thrust) / 5000);
document.getElementById("hval1").value = (omegaout * thirtyByPi).toFixed(0);
thetaout = thetaout + (0.2 * deg(omegaout));
x3 = r * Math.cos(rad(thetaout));
y3 = r * Math.sin(rad(thetaout));
// x4 = r * Math.cos(rad(thetaout + 90));
// y4 = r * Math.sin(rad(thetaout + 90));
d = 30 - (30 * Thrust / 5000) + 1;
//front view variables
o.xcoord = 0;
o.ycoord = 0;
z1.xcoord = x1;
z1.ycoord = y1;
z2.xcoord = (-1 * x1);
z2.ycoord = (-1 * y1);
z3.xcoord = x2;
z3.ycoord = y2;
z4.xcoord = (-1 * x2);
z4.ycoord = (-1 * y2);
s1.xcoord = x3;
s1.ycoord = y3;
s2.xcoord = (-1 * x3);
s2.ycoord = (-1 * y3);
s3.xcoord = x4;
s3.ycoord = y4;
s4.xcoord = (-1 * x4);
s4.ycoord = (-1 * y4);
//top view variables
p.xcoord = 0;
p.ycoord = 0;
p1.xcoord = -100;
p1.ycoord = 0;
p2.xcoord = 140 + (d * 0.4);
p2.ycoord = 0;
u1.xcoord = 0;
u1.ycoord = r_out;
u2.xcoord = 0;
u2.ycoord = (-1 * r_out);
q.xcoord = d;
q.ycoord = 0;
q1.xcoord = 67;
q1.ycoord = r;
q2.xcoord = 67;
q2.ycoord = (-1 * r);
a1.xcoord = (18 - 7 * ((Thrust) / 5000));
a1.ycoord = r - 2;
a2.xcoord = 16;
a2.ycoord = 5;
a3.xcoord = (18 - 7 * ((Thrust) / 5000));
a3.ycoord = -(r - 2);
a4.xcoord = 16;
a4.ycoord = -5;
t1.xcoord = 15;
t2.xcoord = 15;
t1.ycoord = 15;
t2.ycoord = -15;
b1.xcoord = 44 - 2 * ((Thrust) / 5000);
b1.ycoord = r - 2;
b2.xcoord = 44 - 2 * ((Thrust) / 5000);
b2.ycoord = 30;
b3.xcoord = 44 - 2 * ((Thrust) / 5000);
b3.ycoord = -(r - 2);
b4.xcoord = 44 - 2 * ((Thrust) / 5000);
b4.ycoord = -30;
draw();
}
function draw() {
ctx.clearRect(0, 0, 595, 550);
ctx.font = "12pt Verdana";
ctx.fillText("Top View", 50, 80);
ctx.fillText("Front View", 50, 280);
pointtrans(o, transa);
pointtrans(z1, transa);
pointtrans(z2, transa);
pointtrans(z3, transa);
pointtrans(z4, transa);
pointtrans(s1, transa);
pointtrans(s2, transa);
pointtrans(s3, transa);
pointtrans(s4, transa);
//Top View Points
pointtrans(p1, trans);
pointtrans(p, trans);
pointtrans(p2, trans);
pointtrans(u1, trans);
pointtrans(u2, trans);
pointtrans(q, trans);
pointtrans(q1, trans);
pointtrans(q2, trans);
pointtrans(a1, trans);
pointtrans(a2, trans);
pointtrans(a3, trans);
pointtrans(a4, trans);
pointtrans(t1, trans);
pointtrans(t2, trans);
pointtrans(b1, trans);
pointtrans(b2, trans);
pointtrans(b3, trans);
pointtrans(b4, trans);
//Plotting the co-ordinates
// ctx.beginPath();
//ctx.lineWidth=1;
// ctx.strokeStyle= "#666666";
// ctx.moveTo(150,o.xcoord);
// ctx.lineTo(150,-400);
// ctx.lineTo(150,500);
// ctx.moveTo(150,250);
// ctx.lineTo(50,250);
// ctx.lineTo(250,250);
// ctx.stroke();
// ctx.closePath();
//Front
pointdisp(o, ctx, r_out, '#600217', '#600217');
pointjoin(o, z1, ctx, "#000000", 5);
// pointjoin(o, z2, ctx, "#000000", 5);
// pointjoin(o, z3, ctx, "#000000", 5);
// pointjoin(o, z4, ctx, "#000000", 5);
pointdisp(o, ctx, r, '#7F00FF', '#7F00FF');
pointjoin(o, s1, ctx, "#0885d8", 5);
// pointjoin(o, s2, ctx, "#0885d8", 5);
// pointjoin(o, s3, ctx, "#0885d8", 5);
// pointjoin(o, s4, ctx, "#0885d8", 5);
pointdisp(o, ctx, r_in, '#013220', '#013220');
//Top
pointjoin(p1, p2, ctx, "#0C0C0C", 2 * r_in);
pointjoin(a1, a2, ctx, "#AABBCC", 10);
pointjoin(a3, a4, ctx, "#AABBCC", 10);
pointjoin(t1, t2, ctx, "#444444", 14);
pointjoin(b1, b2, ctx, "#898989", 50);
pointjoin(b3, b4, ctx, "#898989", 50);
pointjoin(u1, u2, ctx, "#600217", 20);
pointjoin(q1, q2, ctx, "#7F00FF", 12);
}
//This function used for plotting graph
function drawgraphh() {
document.getElementById("graph").innerHTML = "";
if (gr == 0) {
document.getElementById("graph").style.visibility = "visible";
document.getElementById("eqn").style.visibility = "visible";
gr = 1;
for (plott = 100; plott <= 5500; plott++) {
var RPM = 9.5499 * ((1200) - ((1200 - 200) * (plott - 200) / 5000));
datapoints1.push({
x: plott,
y: RPM
});
}
drawgraph("graph", datapoints1, "Thrust (N)", "RPM"); //Used graph.ob.js and graph_use.ob.js files plot graph
} else if (gr == 1) {
document.getElementById("graph").style.visibility = "visible";
document.getElementById("eqn").style.visibility = "hidden";
gr = 0;
datapoints1.length = 0; //clears the datapoints
}
}
function printcomment() {
document.getElementById('commentboxleft').style.width = '570px';
document.getElementById('commentboxleft').innerHTML = "<center>Change W (Thrust) or M (Moment) to see the change in RPM</center>";
// ignore use of deprecated tag <center> . Code is executed only if printcomment function receives inappropriate commentloc value
}
</script>
</body>
</html>