VS3D4: Difference between revisions
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Code Developed by: <span style="color:blue"> </span> | Code Developed by: <span style="color:blue"> </span> Quan Gu, Yichao Gao and Zhijian Qiu | ||
Latest revision as of 23:41, 2 February 2016
- Command_Manual
- Tcl Commands
- Modeling_Commands
- model
- uniaxialMaterial
- ndMaterial
- frictionModel
- section
- geometricTransf
- element
- node
- sp commands
- mp commands
- timeSeries
- pattern
- mass
- block commands
- region
- rayleigh
- Analysis Commands
- Output Commands
- Misc Commands
- DataBase Commands
This command is used to construct a four-node 3D viscous-spring boundary quad element object based on a bilinear isoparametric formulation.
| element VS3D4 $eleTag $node1 $node2 $node3 $node4 $E $G $rho $R $alphaN $alphaT |
| $eleTag | unique element object tag |
| $node1 ..$node3 | 4 end nodes |
| $E | Young's Modulus of element material |
| $G | Shear Modulus of element material |
| $rho | Mass Density of element material |
| $R | distance from the scattered wave source to the boundary |
| $alphaN | correction parameter in the normal direction |
| $alphaT | correction parameter in the tangential direction |
Reference: Liu J, Du Y, Du X, et al. 3D viscous-spring artificial boundary in time domain. Earthquake Engineering and Engineering Vibration, 2006, 5(1):93-102
Code Developed by: Quan Gu, Yichao Gao and Zhijian Qiu