Introduction to Aircraft Structural Analysis (Elsevier Aerospace Engineering)

Index 637

maximumshearstressatapoint,15
Mohr’scircleofstress,16–20
notationforstresses,5–6
planestress,9
principalstresses,planes,15,16
resultantstress,5
shearstress,definition,4
Stressanalysisofaircraftcomponents,561–574
fuselageframesandwingribs,619–630
fuselageframes,624–625
principlesofstiffener/webconstruction,619–624
wingribs,625–630
fuselages,577–585
effectofcut-outs,584–585
inbending,577–578
inshear,578–581
intorsion,581–583
wingsparsandtaperedboxbeams,561–574
beamshavingvariablestringerareas,570–574
openandclosedsectionbeams,565–570
taperedwingspar,561–565
wings,587–612
bendingof,588–589
cut-outsinwings,605–612
deflections,603–604
shear,593–599
shearcenter,599
taperedwings,599–602
three-boomshell,587–588
torsion,590–593
Stressfunctions,47–48
Stress-strainrelationships,28–36
Structuralcomponentsofaircraft,351–370
connections,363–370
eccentricallyloadedrivetedjoints,367–369
grouprivetedjoints,366–367
jointefficiency,366
simplelapjoint,363–366
useofadhesives,369–370
fabricationofstructuralcomponents,359–363
integralconstruction,361
sandwichpanels,361,362
subassemblies,360
functionofstructuralcomponents,354–360
fuselages,355
monocoquestructures,354
semi-monocoquestructures,354
tailplanes,355
wings,355
loadsoncomponents,351–354
aerodynamiccenter,353
bodyforces,351
centerofpressure,352
drag,352
groundloads,351

surfaceforces,351

winglift,352

Structuralidealization,537–556

effectofidealizationontheanalysisofopenandclosed

sectionbeams,541–552

alternativemethodforshearflowdistribution,551–552

bendingofopenandclosedsectionbeams,541–542

deflectionsofopenandclosedsectionbeams,553–556

shearofclosedsectionbeams,548–551

shearofopensectionbeams,542–548

torsionofopenandclosedsectionbeams,552

idealizationofapanel,538–540

principle,537–538

Structuralinstability,253–286

columns,seeColumns

thinplates,seePlates

Surfaceforces,6

Symmetricmaneuverloads,seeAirframeloads

Symmetricalbending,seeBendingofopenandclosedsection

thin-walledbeams

Synclasticsurface,222

T

Tangentmodulustheory,262

tangentmodulus,259

Temperatureeffects,34–36,156–158,466–471

inbeams,466–471

mechanicalstrain,34

thermalstrain,34

totalstrain,34

Tensionfieldbeams,seePlates

Testingofengineeringmaterials,334–340

bendingtests,336–338

modulusofrupture,337

compressiontests,335

hardnesstests,338,339

impacttests,339

sheartests,338

stress-straincurves,340

aluminum,342,344

brittlematerials,344

composites,344–345

mildsteel,341

tensiletests,334

actualstress,335

nominalstress,335

Torsionofbeams,503–521

ofclosedsectionbeams,503–514

conditionforzerowarping(Neuberbeam),513–514

displacements,504–513

mechanicsofwarping,511–513

rateoftwist,506

shearflow(Bredt-Bathotheory),504

warping,506–514

warpinginarectangularsectionbeam,507–513