distrib.flt

C 开发的有限元软件

	/*
	 * An example taken from the EDSEP user's manual (#4)
	 */

problem description
title="Beam w/Distributed Load Example Problem" nodes=5 elements=4

nodes
1 x=0    y=0     constraint=pinned
2 x=800          constraint=free     force=point
3 x=1600         constraint=free     
4 x=2800         constraint=roller
5 x=1600 y=-400  constraint=fixed

beam elements
1 nodes=[1,2] material=steel load=weight
2 nodes=[2,3] material=steel load=weight
3 nodes=[3,4] material=steel load=weight
4 nodes=[3,5] material=light load=light_wt

material properties
steel e=3e3 a=3000 ix=7e5
light e=3e3 a=1000 ix=8.25e4

distributed loads
weight direction=perp values=(1,-0.26) (2,-0.26)
light_wt direction=parallel values=(1,0.0868) (2,0.0868)

constraints
fixed tx=c ty=c tz=c rz=c
free tx=u ty=u tz=c rz=u
roller tx=u ty=c tz=c rz=u
pinned tx=c ty=c tz=c rz=u

forces
point fy=-40

end