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import extpy |
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|
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try: |
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from pylab import * |
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except: |
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pass |
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|
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from solverreporter import * |
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|
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def zplot(self): |
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|
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browser = extpy.getbrowser() |
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ioff() |
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figure() |
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# |
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# I have chosen three temperatures |
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# |
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for T in [190,210,230,250,270,290,310,330,350,370]: |
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self.T.setRealValue(T) |
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# |
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# collect the data for plotting in two sets of arrays (one for X, one for Y) |
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# I have two sets here - one for P versus y and other for P versus x |
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# |
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XX1 = [] |
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PP1 = [] |
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# |
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# change x1 from 0 to 1.0 |
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# there has to be a space between "in" and "[" |
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# |
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|
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for P in [10,15,20,25,30,40,50,60,70,80,100,120,140,150,170,190]: |
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self.P.setRealValueWithUnits(P,"bar") |
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# |
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# send the pair of values T x1 to the solver |
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# and append the Pressure and y1 (from the solver) to the arrays |
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# the x's are also appended |
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try: |
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browser.sim.solve(browser.solver,SimpleSolverReporter(browser,message="T = %f, P = %f" % (T,P))) |
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XX1.append(float(self.Pr)) |
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PP1.append(float(self.Z)) |
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except: |
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browser.reporter.reportError('Failed to solve for P = %f' % P) |
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continue |
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## plot the data |
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|
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plot(XX1,PP1) |
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|
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hold(1) |
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|
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## legend() |
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ion() |
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show() |
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|
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extpy.registermethod(zplot) |
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#the above method can be called using "EXTERNAL vleplot(self)" in ASCEND. |
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# if you want to see the azeotrope clearly, restrict the calculation to one |
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# temperature |
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