_HOT_ Crack License Dat Matlab Functions Sin
The extended finite element method (XFEM) is a numerical technique which extends the classical finite element method approach focusing on crack propagation problems. The main idea behind this method is to deal with simple meshes and to take into account discontinuous displacements inside a finite element. Extended finite element methods (XFEM) allows simulation of crack growth without re meshing  . The displacement approximation is enriched with discontinuous functions (Heaviside function).
Crack License Dat Matlab Functions Sin
These functions form the basis of the asymptotic field 1/r around the crack tip, and introduce additional degrees of freedom in each node, improving the solution accuracy near the crack tip. The first function r sin ( θ / 2 ) is discontinuous along the crack surfaces, giving the effect of required discontinuity in the approximation along the crack, as seen in Figure 6 and Figure 7.
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Version 10.010 01/10/16A method to register external functions and procedures is implemented in EES versions 10.011 and newer. Before calling the external programthe first time, EES will call it with Mode=-1 and with the character string S set to '['+EESIDNo+']', e.g., . EESIDNo is the EES registration number that appears on the EES start-up screen. The external program can ignore this information or it can internally set to flag if this EES license is not intended to use the external program. This capability allows control of specialized libraries developed by users.