** One Dimension Heat Flow Model and eTCL Slot Calculator Demo Example, numerical analysis** This page is under development. Comments are welcome, but please load any comments in the comments section at the bottom of the page. Please include your wiki MONIKER in your comment with the same courtesy that I will give you. Its very hard to reply intelligibly without some background of the correspondent. Thanks,[gold] ---- <> [gold] Here is some eTCL ---- ***Testcases Section*** In planning any software, it is advisable to gather a number of testcases to check the results of the program. The math for the testcases can be checked by pasting statements in the TCL console. Aside from the TCL calculator display, when one presses the report button on the calculator, one will have console show access to the capacity functions (subroutines). **** Testcase 1 **** ---- **** Testcase 2 **** **** Testcase 3 **** ---- ***Screenshots Section*** ****figure 1.**** [One Dimension Heat Flow Model trial screen.png] ---- ***References:*** * Joran ---- **Appendix Code** ***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 centimeters: } lappend names {boundary length centimeters:} 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 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 centimeters| |& " puts "&| $side4 :|boundary length centimeters | |&" 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 22. 54.0 9.0 10.0 10.0 1.0 5.5 0.09} ::ttk::button .test3 -text "Testcase2" -command {clearx;fillup 22. 54.0 9.0 10.0 1.0 1.0 5.5 0.09 } ::ttk::button .test4 -text "Testcase3" -command {clearx;fillup 22. 30.0 9.0 30.0 1.0 1.0 5.5 0.09 } ::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*** For the push buttons, the recommended procedure is push testcase and fill frame, change first three entries etc, push solve, and then push report. Report allows copy and paste from console. For testcases in a computer session, the eTCL calculator increments a new testcase number internally, eg. TC(1), TC(2) , TC(3) , TC(N). The testcase number is internal to the calculator and will not be printed until the report button is pushed for the current result numbers. The current result numbers will be cleared on the next solve button. The command { calculate; reportx } or { calculate ; reportx; clearx } can be added or changed to report automatically. Another wrinkle would be to print out the current text, delimiters, and numbers in a TCL wiki style table as ====== puts " %| testcase $testcase_number | value| units |comment |%" puts " &| volume| $volume| cubic meters |based on length $side1 and width $side2 |&" ====== ---- [gold] This page is copyrighted under the TCL/TK license terms, [http://tcl.tk/software/tcltk/license.html%|%this license]. **Comments Section** <> Please place any comments here, Thanks. <> Numerical Analysis | Toys | Calculator | Mathematics| Example| Toys and Games | Games | Application | GUI