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Spacecraft Structural Analysis Summary Sheets

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Summary notes on Spacecraft Structural Analysis module. Hand-written, coloured notes, with images, graphs, equations, derivations, solved practice questions and relevant tips. Topics include: - Launch vibration analysis - Load modelling - Coupled loads analysis - Shock response - Analysis of mechanisms and membranes - Space environmentall effects and mitigation

Content preview

VibrationAnalysis Launch Qualification


Acc ons
1 Quasistate
2 Harmonic
3 Transient
4 Random


Addistruduralrequements
thermalloads tempgradients shockloads pyrotechnicbolts

loads tanks
groundhandlingloads
stiffnessrequirements
pressure

QUASI
STATICIDADING
quasistaticaccelerations
load
included
gravity
actingonslc
cog strains stresses
accelerations nodaldisplacement

the Ex
ForTransientSineandRandomloading weusetheirpeakacceleration
this samemethod
using


Q
SLoadingExampter P t
QQ.ii.IE't
htt out c ii
m
E 7i F 45g'm 44,145N
he 09g m 8,829N
Mr
9 7.31Mpa M 1 1.5 13,245N
2 Oz 225hPa Mz 1 3 26487N

, TRANSENTLOADING2
ShockAccelerationProfile
caused
bystagingpyrotechnicboltsetc
toocomplextorepresent as mathematical function
impossibletotestrepeatedlyandexactly

K


HIEI x
put


Response d a systemtoanarbitraryinput toimpulsesequence
responses




xH ogHTiptudt
impulse
response


consider mite'x kx P8Lt withFlandresponse
glt
m
gtigtkg
stt finfotfomgtigtkgldt
tffotf.to i
ftp.ffn dtliffotmglt
g
ftp.fjcgdt oliffotokgdt
CO4 O conditions
mg 1ojlotI tmglot boundary

solution
general
eswntfc.co at casincwaty
gltt
i

boundary
Ebw sin particularsolution
conditions i
gct Mwd wat

we attend.no inikallyknow1hedanrpigorlhenaturalfrequency

Damping Q ztg w usualvalues d 10 or 20m50

, Shock Response Spectrum

ii
f sinfotia.IEE
T

xttl fotpthgtt


tld
A xlt
waf.IE t
sinlwdlttxsinlwhd


xltt fjptlg.tt tidT
where

wd7sinwat 2wnwdcosCwatD
gx.lt mIwdebwntfl92wi

Document information

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Unknown
Uploaded on
March 27, 2025
Number of pages
28
Written in
2020/2021
Type
Summary
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