Godunov's scheme: Difference between revisions
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{{lowercase|title=trajpar}} | |||
'''trajpar''' is a system parameter in [[Creo Elements/Pro]] that varies from 0 to 1 across the length of a given path. It is used to create complex [[geometric]] and non-geometric shapes that vary in dimension along the length of any given path. | |||
==Naming== | |||
trajpar derives from the words: '''''traj'''''ectory '''''par'''''ameter. It is a [[pseudo]]-variable as it is controlled not by any mathematical representation, but by the physical representation of a path, i.e. a ''trajectory''. | |||
==Syntax== | |||
sd3=evalgraph('graph1',trajpar*100) Where sd3= A variable inside the variable section sweep that will be driven by a graph feature called 'graph1' | |||
==Uses and notability== | |||
trajpar can be used with various [[math]]ematical functions to create alternating, flaring, bowing or [[sinusoidal]] protrusions. It is primarily used in conjunction with the ''variable section sweep'' command in Creo Elements/Pro but can also remove material if desired. | |||
trajpar typifies what makes Creo Elements/Pro different from many other CAD software systems. The level of complexity and control given to the user is much greater than, for example other design or engineering software like [[SolidWorks]] or [[Alias (Mac OS)|Alias]] | |||
==Samples== | |||
To create an [[undulating]] wave, a sinusoid might be desired: | |||
:<math>d1=sin(trajpar \cdot 8\pi)</math> | |||
A flare: | |||
:<math>d1=1 + trajpar^2</math> | |||
etc., where d1 is the dimension to be controlled. | |||
==See also== | |||
*[[Creo Elements/Pro]] | |||
*[[SolidWorks]] | |||
*[[Unigraphics]] | |||
*[[AutoCAD]] | |||
==External links== | |||
*{{cite web| url= http://www.profilesmagazine.com/p23/tips_mcdougall.html |title=Creating a Constant Cross-Section Twist|work= Profiles Magazine|author=[[John McDougall (disambiguation)|McDougall, John]] of [[EMS Technologies]]|accessdate= 2006-06-27|date=[[Spring (season)|Spring]], 2006}} | |||
[[Category:Computer-aided design software]] | |||
{{compu-soft-stub}} | |||
Revision as of 18:32, 25 January 2014
Template:Lowercase trajpar is a system parameter in Creo Elements/Pro that varies from 0 to 1 across the length of a given path. It is used to create complex geometric and non-geometric shapes that vary in dimension along the length of any given path.
Naming
trajpar derives from the words: trajectory parameter. It is a pseudo-variable as it is controlled not by any mathematical representation, but by the physical representation of a path, i.e. a trajectory.
Syntax
sd3=evalgraph('graph1',trajpar*100) Where sd3= A variable inside the variable section sweep that will be driven by a graph feature called 'graph1'
Uses and notability
trajpar can be used with various mathematical functions to create alternating, flaring, bowing or sinusoidal protrusions. It is primarily used in conjunction with the variable section sweep command in Creo Elements/Pro but can also remove material if desired.
trajpar typifies what makes Creo Elements/Pro different from many other CAD software systems. The level of complexity and control given to the user is much greater than, for example other design or engineering software like SolidWorks or Alias
Samples
To create an undulating wave, a sinusoid might be desired:
A flare:
etc., where d1 is the dimension to be controlled.
See also
External links
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