ANSYS Mechanical APDL (MAPDL) Two-Dimensional

Truss Tutorial

MAE 4280/7280 SP19 March 14th, 2019 -- MVB

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

DIFFERENT FROM TEXTBOOK

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Creating Nodes

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

(0,36)

(0,0)

(36,36)

(36,72)

(36,0)

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

List NodesList Nodes

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Turn WorkPlane Display “off”

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Node numbering is ON by default in

MAPDL V19.2

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Connect the nodes 1->2->Apply, 2->3->Apply, etc.

After connect two nodes, select “Apply” or press the center

mouse button (wheel)

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Apply structural loads

Apply structural loads

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Alternative method for defining NODES using

APDL commands:

N, NODE, X, Y, Z, THXY, THYZ, THZX

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Node file read/write can be used to build much more complex geometries (scripting)

Node file read/write can be used to build much more complex geometries (scripting)

Alternative method (2) for defining

NODES using APDL commands:

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart

Useful resources/links:

ANSYS APDL 19.2 MAIN DOCUMENTATION PAGE: https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/prod_page.html?pn=Mechanical%20APDL&prodver=19.2&lang=en

Intro. Tutorials:https://ansyshelp.ansys.com/Views/Secured/corp/v192/ans_tut/Hlp_UI_Tutorials.html

Mechanical APDL (MAPDL) Demo File & PDF: https://storage.ansys.com/doc_assets/tutorial_input_files/v192/MAPDL_Demonstration_Package_r192.zip

MAPDL Intro. Tutorial Files & PDF:

https://storage.ansys.com/doc_assets/tutorial_input_files/v192/MAPDL_Tutorial_Package_r192.zip

ELEM. TYPE MATL MODEL X-SEC BUILD GEOMETRY APPLY BCs & LOADS SOLVE POST PROCESSING NOTES

MAE 4280/7280 SP19 – M.V. Barnhart