One Dimension Heat Flow Model and eTCL Slot Calculator Demo Example, numerical analysis edit

Page contents

  One Dimension Heat Flow Model and eTCL Slot Calculator Demo Example, numerical analysis

 Introduction

 Testcases Section

  Testcase 1 

  Testcase 2 

  Testcase 3 

 Screenshots Section

 figure 1.

 References:

 Appendix Code

 appendix TCL programs and scripts 

  Pushbutton Operation

 Comments Section

Introduction edit

Testcases Section

Testcase 1

Testcase 2

Testcase 3

Screenshots Section

figure 1.

References:

• Joran

Appendix Code edit

appendix TCL programs and scripts

        # pretty print from autoindent and ased editor
        # One Dimensional Heat Flow calculator
        # written on Windows XP on eTCL
        # working under TCL version 8.5.6 and eTCL 1.0.1
        # gold on TCL WIKI, 10may2016
        package require Tk
        namespace path {::tcl::mathop ::tcl::mathfunc}
        frame .frame -relief flat -bg aquamarine4
        pack .frame -side top -fill y -anchor center
        set names {{} {initial temperature t1 degrees:} }
        lappend names {final temperature t2 degrees :}
        lappend names {length meters: }
        lappend names {boundary length meters:}
        lappend names {temperature constant:}
        lappend names {temperature coeffient: }
        lappend names {answers:heat flux: }
        lappend names {temperature :}
        foreach i {1 2 3 4 5 6 7 8} {
            label .frame.label$i -text [lindex $names $i] -anchor e
            entry .frame.entry$i -width 35 -textvariable side$i
            grid .frame.label$i .frame.entry$i -sticky ew -pady 2 -padx 1 }
        proc about {} {
            set msg "Calculator for One Dimensional Heat Flow 
            from TCL WIKI,
            written on eTCL "
            tk_messageBox -title "About" -message $msg } 
       proc pi {} {expr acos(-1)}       
       proc calculate {     } {
            global answer2
            global side1 side2 side3 side4 side5
            global side6 side7 side8
            global testcase_number
            incr testcase_number 
            set side1 [* $side1 1. ]
            set side2 [* $side2 1. ]
            set side3 [* $side3 1. ]
            set side4 [* $side4 1. ]
            set side5 [* $side5 1. ]
            set side6 [* $side6 1. ]
            set side7 [* $side7 1. ]
            set side8 [* $side8 1. ]
            set temperature1 $side1  
            set temperature2 $side2 
            set length1 $side3
            set lengthx $side4
            set constant1 $side5
            set coefficient2 $side6
            set heat_flow [- [* $coefficient2 [/ [- $temperature2 $temperature1 ] $length1] ] $constant1 ]
            #set heat_flow [* $coefficient2 [/ [- $temperature2 $temperature1 ] $length1 ] ]
            set side7 $heat_flow 
            #set result1 [+ $temperature1 [* [/ [- $temperature2 $temperature1 ] $length1] $lengthx ]]
            set result1 [+ $temperature1 [* [/ [- $temperature2 $temperature1 ] $lengthx] $length1 ]]
            set side8 $result1       }               
        proc fillup {aa bb cc dd ee ff gg hh} {
            .frame.entry1 insert 0 "$aa"
            .frame.entry2 insert 0 "$bb"
            .frame.entry3 insert 0 "$cc"
            .frame.entry4 insert 0 "$dd"
            .frame.entry5 insert 0 "$ee"
            .frame.entry6 insert 0 "$ff" 
            .frame.entry7 insert 0 "$gg"
            .frame.entry8 insert 0 "$hh" 
             }
        proc clearx {} {
            foreach i {1 2 3 4 5 6 7 8 } {
                .frame.entry$i delete 0 end } }
        proc reportx {} {
            global side1 side2 side3 side4 side5
            global side6 side7 side8 
            global testcase_number
            console show;
            puts "%|table $testcase_number|printed in| tcl wiki format|% "
            puts "&| quantity| value| comment, if any|& "
            puts "&| testcase number:|$testcase_number | |&"
            puts "&| $side1 :|initial temperature t1 degrees|   |&"
            puts "&| $side2 :|final temperature t2 degrees| |& "
            puts "&| $side3 :|length meters| |& "
            puts "&| $side4 :|boundary  length meters |      |&"
            puts "&| $side5 :|temperature constant|     |&"
            puts "&| $side6 :|temperature coefficient |  |&"
            puts "&| $side7 :|heat flux|  |&"
            puts "&| $side8 :|temperature degrees|  |&" 
            }
        frame .buttons -bg aquamarine4
        ::ttk::button .calculator -text "Solve" -command { calculate   }
        ::ttk::button .test2 -text "Testcase1" -command {clearx;fillup 150. 640.0 .3048 10.0  0.3 0.3 472. 164.09}
        ::ttk::button .test3 -text "Testcase2" -command {clearx;fillup 100. 600.0 1.0 10.0   1.0  1.0 450.5 165.09 }
        ::ttk::button .test4 -text "Testcase3" -command {clearx;fillup 120. 530.0 5.0 10.0   1.0 1.0  420.5 170.09 }
        ::ttk::button .clearallx -text clear -command {clearx }
        ::ttk::button .about -text about -command about
        ::ttk::button .cons -text report -command { reportx }
        ::ttk::button .exit -text exit -command {exit}
        pack .calculator  -in .buttons -side top -padx 10 -pady 5
        pack  .clearallx .cons .about .exit .test4 .test3 .test2   -side bottom -in .buttons
        grid .frame .buttons -sticky ns -pady {0 10}
        . configure -background aquamarine4 -highlightcolor brown -relief raised -border 30
        wm title . "One Dimensional Heat Flow Calculator"

Pushbutton Operation

  puts " %| testcase $testcase_number | value| units |comment |%"
  puts " &| volume| $volume| cubic meters |based on length $side1 and width $side2   |&"  

this license

Comments Section edit

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