Applies To
	Product(s):	STAAD.Pro
	Version(s):	ALL
	Environment:	ALL
	Area:	Analysis Solutions
	Subarea:	Time History Analysis
	Original Author:	Sye Chakraborty Bentley Technical Support Group

How do I apply two harmonic loads PSinwt and QCoswt at the same loading point simultaneouly?

The input is as follows. Please refer to example 22 in the STAAD.Pro examples manual for additional information.

DEFINE TIME HISTORY

TYPE 1 FORCE
FUNCTION SINE
AMPLITUDE 5.3 FREQUENCY 60 CYCLES 100

TYPE 2 FORCE
FUNCTION COSINE
AMPLITUDE 7.8 FREQUENCY 80 CYCLES 100
*
ARRIVAL TIMES
0.0 3.0
DAMPING 0.075
LOAD 2
SELFWEIGHT X 1.0
SELFWEIGHT Y 1.0
SELFWEIGHT Z 1.0
JOINT LOAD
9 25 FX 14.0
9 25 FY 14.0
9 25 FZ 14.0
TIME LOAD
9 25 FX 1 1
9 25 FX 2 2