学科分类
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4 个结果
  • 简介:BasedonthetraditionalSmoothedParticleHydrodynamics(SPH)algorithm,thelinked-listsearchalgorithmcombinedwiththevariablesmoothinglengthandsquaresupportdomainwasputforwardtoimprovethecalculationefficiencyandguaranteethecalculationaccuracy.Thephysicalprocessofhighvelocityfragmentimpactonabroadsideliquidcabinwasprogrammedforsimulation.ThenumericalresultsagreedwellwiththoseofthegeneralsoftwareANSYSAUTODYN,whichverifiestheeffectivenessandfeasibilityofthenumericalmethod.Fromtheperspectiveoftheouterplatethicknessoftheliquidcabin,thewidthoftheliquidcabin,andincidentangleofthefragment,theinfluenceoftheseparametersonprotectivemechanismswasanalyzedtoprovideabasisforprotectivedesignofabroadsideliquidcabin.Resultsshowthattheinfluenceofouterplatethicknessisnotobvious;therefore,theconventionaldesigncanbeadoptedinthedesignoftheouterplate.Thewidthoftheliquidcabinhasagreatinfluenceontheresidualvelocityofthefragmentandthewidthoftheliquidcabinshouldbedesignedtobeaswideaspossibleunderthepremiseofmeetingotherrequirements.Thereisacertainincidentangleinwhichthevelocityattenuationofthefragmentismostobvious,andthehigh-pressurezoneneartheinnerplateisasymmetric.Theinnerplateofliquidcabinshouldbestrengthenedaccordingtothehullform,principaldimensions,andvulnerablepoints.

  • 标签: liquid CABIN high VELOCITY FRAGMENT SPH
  • 简介:基于校企融合的汽专业“双主体、五对接”人才培养模式是以社会发展和市场需求为着眼点,以校企合作、工学结合作为人才培养模式改革的切入点,以学校和企业互需、互补、互利为出发点的新型人才培养模式。该模式坚持校企双主体的原则,实现了人才培养目标与岗位能力标准的对接、课程与岗位的对接、课堂与车间的对接、实习与就业的对接、教师与师傅的对接,有效解决了汽专业传统教学中存在的问题,全面提升学生的综合职业技能、素养,也缩短了企业的人才培养周期,实现了校企双赢。

  • 标签: 校企融合 汽检专业 人才培养模式
  • 简介:本文概述识教育国内外现状以及我校识课程建设现状,分析了我校建设《现代科学技术概论》识课程的必要性,阐述了我校《现代科学技术概论》识课程建设的目标,最后对识课程建设中的难点进行了分析与研究.

  • 标签: 现代科学技术概论 通识课程 课程建设