Element Properties

PAMCRASH > Building A Model > Element Properties

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Element Properties

The Element Properties form appears when the Element Properties toggle, located on the Patran main form, is chosen.There are several option menus available when creating element properties. The selections made on the Element Properties form will determine which element property form appears, and ultimately, which PAMCRASH element will be created.

The following pages give an introduction to the Element Properties form, and details of all the element property definitions supported by the Patran PAMCRASH Preference.

Element Properties Form

This form appears when Element Properties is selected on the main form. There are four option menus on this form (under Dimension), each will determine which PAMCRASH element type will be created, and which property forms will appear. The individual property forms are documented later in this section. For a full description of this form, see Element Properties Forms (p. 61) in the Patran Reference Manual.

The following table outlines the option menus when Analysis Type is set to Structural. Note that not all material types are supported for all properties. This is a function of PAMCRASH.

Table 2‑5
Degree	Type	Option 1	Option 2
0D	• 0D Mass
1D	• Beam
	• Rod
	• Spring
2D	• Shell	• Homogeneous	Uniform Underintegration
		• Homogeneous	Hughes-Tezduyar
		• Laminate	Uniform Underintegration
		• Laminate	Hughes-Tezduyar
3D	• Solid	• H’glass Viscous Base Uniform Underintegration
		• H’glass Viscous Shape Selective Reduced Integration
		• H’glass Stiffness Shape

0D Mass

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option(s)	Topologies
Create	0D	Mass		Point

Use this form to create a MASS__/_ data entry. This defines added mass for the structural model.

Beam

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option(s)	Topologies
Create	1D	Beam		Bar/2

Use this form to create a BEAM___/_ entry. The area and other data is written to a Material Type 200/201/212 record.

Rod

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option(s)	Topologies
Create	1D	Rod		Bar/2

Use this form to create a BAR___/_ entry. The area and membrane damping data is written to a Material Type 200/201/202 record.

Linear Spring

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option(s)	Topologies
Create	1D	Spring		Bar/2

Use this form to create a BAR___/_ and a simplified Material Type 204 entry.

Shell

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option1	Option(2)	Topologies
Create	2D	Shell	Homogeneous	Uniform Underintegration Hughes-Tezduyar	Tria/3, Quad/4
Create	2D	Shell	Laminate	Hughes-Tezduyar Uniform Underintegration	Tria/3, Quad/4

Use this form to create a SHELL___/_ entry. The data is written to a Material Type 100/101/102/103/105/106 record.


Note:	No orientation section is required as only laminated shells have directional properties. Note also that both shell options (Uniform Underintegration/Hughes-Tezduyar) require the same data.

Use this form to create a SHELL_ _/_ entry. The data is written to a Material Type 130 record.

Solid

This subordinate form appears when the Input Properties button is selected on the Element Properties form when the following options are chosen.


Action	Dimension	Type	Option 1	Option 2	Topologies
Create	3D	Solid	Hourglass Viscous Base	Uniform Underintegration	Tet/4, Wedge/6 Hex/8
				Selective Reduced Integration
			Hourglass Viscous Shape	Uniform Underintegration
				Selective Reduced Integration
			Hourglass Stiffness Shape	Uniform Underintegration
				Selective Reduced Integration

Use this form to create a SOLID_/_ entry. The data is written to a Material Type 1/2/5/99 record.