T08 Time History

STAAD.Pro : Time History Analysis 8 - 1

8

Time History Analysis

Time History Analysis !"#$!%& f(t) '%&()$!%&*+,-!'$%. *&%&(),-!'/&% + &0&%& *!&$ (Displacement : u ), (1 (Velocity : /u du dt====&&&& ) ( (Acceleration : 2 2/u d u dt====&&&&&&&& ) '((%&*!&,-! (Equation of Motion) *&

M ( ) C ( ) K ( ) ( )u t u t u t f t+ + =+ + =+ + =+ + =&& &&& &&& &&& &

(*!& M *& (( (Mass Matrix), C *& (( (Damping Matrix) K *& (" (Stiffness Matrix)

0,-+'!( 23- Time History Analysis &0&' %&()$!*+%& El Centro !(-$2.$)%

1 El Centro


( STAAD.Pro '(-"$&%&()'&)"& ../Spro200X/STAAD/Examp/US/EQDATA.TXT *!&("%&() EQDATA.TXT "&,/%& STAAD.Pro (*!&&( Notepad 4")'(-$2.$)

2 EQDATA.TXT

*!&('(&,-!0,,-! $)

*&() File | Open *!&4" ModalBuilding.std ,-!% +(

*&() File | Save As -!*!& TimeHistory.std

General | Load Definition *& Time History Definitions *!&!(/(%&&,-!'(,/&

56( Add *& Define Time History *!&"%&()


" EQDATA.TXT "&$23( !(74)(-%&()&)&7*&(*+$$&%

0.0000 0.006300

0.0200 0.003640

0.0400 0.000990

0.0600 0.004280

0.0800 0.007580

0.1000 0.010870

%&()(%0'$%& g ('(7 $$+,-! 0.02 ,- (*& 0.00364 ). 9.806 m/s2

56( Add *& Define Param Arrival time ,-!+/$0,5!(%,/ *& 0.0 (*!&((-+/$&*!%,/ (%&,5(7)*& 0.05 $)


56( Add ( Close Load '!(% +

/$!,-!7)% +*&

DEFINE TIME HISTORY TYPE 1 ACCELERATION READ EQDATA.TXT ARRIVAL TIME 0

DAMPING 0.05

Load Cases Details .-0,5 LOAD 3 : SEISMIC LOAD


Load 3 56( Add *&

SELFWEIGHT X 1 SELFWEIGHT Y 1 SELFWEIGHT Z 1

56( Add *& Time History %&()$)%

"& 9.806 (7 ('" EQDATA.TXT '7)). 9.806 &/

56( Add ( Close Load '

/$!,-!7)% +*& :

LOAD 3 LOADTYPE None TITLE SEISMIC LOAD SELFWEIGHT X 1 SELFWEIGHT Y 1 SELFWEIGHT Z 1 GROUND MOTION X 1 1 9.806

,-! Analysis/Print *& Print Option ,-!& 56( Add


$!$/. Analyze > Run Analysis

,-!( Post-processing Dynamics | Modes *!&))00$!(

Animation Diagrams *& Diagram Type Deflection $0'/ extra "( (1 FPS ((*!&)$!%&&'%&

56( F12 *!&)1('&

Dynamics | Time-Disp *!&)*!&,-! Displacement %&(*&'/5(,$+$+*!&,-!*&(

56( Yes

&(*!& TopFloor *&,-!''$5( Node 56( OK


Create Group '% +($)%

/5(' Assign (-(3-*&

Associate to View : /,$+(,-!&)

Associate to Selected Geometry : /,-!7)*&&)

Associate to List : /&&((%,-!(& List

.--+'3- Associate to Selected Geometry ' &*&,-!''$5(

-& $( $&& *&(

*&$+05%&&*&(5((&-&0'$)


$0() Create Group *& Associate to Selected Geometry 56( Associate Select Group '% +(

,-! G1: _TOPFLOOR %' Time History %&5(,-!*& X, Y Z

7&4 Select Groups & Time-Disp &-$+

7&),-!-!8 4 Select Group ,-!,-!&

7&5((*&5(,-!& *&() Tools | Create New Group

T08 Time History

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