ANALYSIS ON IMPACT RESPONSES OF UNRESTRAINED PLANAR FRAME STRUCTURE（Ⅱ）—

摘要 ByusingtheformuladerivedinPart(Ⅰ),theinstantresponseofanunrestrainedplanarframestructuresubjectedtotheimpactofamovingrigid-bodyareevaluatedandanalysed.Theimpactforce-timehistorybetweenthestructureandthemovingrigid-body,shearforceandbendingmomentdistributionalongthebeams,axialforcedistributionalongthebarswerecalculated.Thewavepropagationphenomenaofthelongitudinalwaveinthebars,theflexuralandshearwavesinthebeamswerealsoanalysed.Thenumericalresultsshowthatthetimedurationofimpactforceiscontrolledbytheflexuralwaveandthelongitudinalwave;thesheareffectinbeamsshouldnotbeneglectedintheimpactresponseanalysisofstructures.

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ANALYSIS ON IMPACT RESPONSES OF UNRESTRAINED PLANAR FRAME STRUCTURE（Ⅱ）——NUMERICAL EXAMPLE ANALYSIS

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ANALYSIS ON IMPACT RESPONSES OF UNRESTRAINED PLANAR FRAME STRUCTURE（Ⅱ）——NUMERICAL EXAMPLE ANALYSIS

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