ShellDKGT

This command is used to construct a ShellDKGT element object, which is a triangular shell element based on the theory of generalized conforming element.

element ShellDKGT $eleTag $iNode $jNode $kNode $secTag

---

eleTag	unique element object tag
iNode jNode kNode	three nodes defining element boundaries, input in clockwise or counter-clockwise order around the element.
	tag associated with previously-defined SectionForceDeformation object.
secTag	currently can be a PlateFiberSection, a ElasticMembranePlateSection and a LayeredShell section

---

Code developed by: Shuhao Zhang, Tsinghua University, and Prof. Xinzheng Lu, Tsinghua University