Region

From OpenSeesWiki
Revision as of 21:49, 30 June 2017 by Mhscott (talk | contribs)
Jump to navigation Jump to search

< Back


region(regTag[, '-ele', e1, e2, ...][, '-eleRange', e1, e2, ...][, '-node', nd1, nd2, ...][, '-nodeRange', nd1, nd2][, '-rayleigh', alphaM, betaK, betaKinit, betaKcomm][, 'getNodeTags'][, 'getConnectedEleTags'][, 'getEleTags'][, '-mass', m1, m2, ...])

an enhanced region command


Parameters: * regTag (int) - a predefined or new region tag.
* "-ele", e1, e2, .. (int) – the region is defined by elements e1, e2, .... If no tag is given, then all elements are added.
* numfreeregs (int) – number of regions which need to be remeshed.
* numfixedregs (int) – number of regions which need not to be remeshed but used to form elements between free regions.
* reg1, reg2, .. (int) – tags of free or fixed regions.
* eletype... (str) – the name of the element followed by element parameters.
Returns:
Return Type:

Example:

alpha = 1.4
freeregs = [1,2]
fixedregs = [3,4]
eleargs = ['PFEMElement2DBubble',rho,mu,b1,b2,thk,kappa]

remesh('tri', alpha, len(freeregs), *freeregs, len(fixedregs) *fixedregs, *eleargs)