Download Usfos Introduction PDF

TitleUsfos Introduction
TagsSoftware Computer File Cartesian Coordinate System Coordinate System Finite Element Method
File Size1.3 MB
Total Pages31
Document Text Contents
Page 15

COORDINATE SYSTEM

• The global coordinate system is defined as a right-hand Cartesian

system.

• Local coordinate system for the beam element is also defined in right-

hand Cartesian system : the local x-axis is from the first node (i)

towards the second node (j); the local y- and z-axis are perpendicular

to the local x-axis.

• UNITVEC in the model file defines the local z-axis in terms of global

coordinates. This vector should not coincide with the local x-axis.

• If not defined, the default local z-axis is parallel to the global (X,Z)

plane.

15

Page 16

USFOS input file - Control file

-Static load

16

• Load case: pressure, CF, etc Usually in structural file

• Load Magnitude

• Load control parameters: Lfact Minstp nstep etc

• Control node displacement

• Other information: Joint check Saved information

A

P

B

l

Δ

1 23

x

y

z

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