噪音振动
概要
掌握本征频率,确认模式形态,改善本征频率和模式形态
将产品的使用环境分为解析线性和非线性,体现接触、噪音及振动现实,分析原因后进行改善
为了降低车辆运行条件下的结构噪音及振动,评估并改善动强度
适用领域
Dynamic Stiffness
- 掌握本征频率,分析模式形态,确保动强度,结构稳定化
Bending mode
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Torsion mode
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Torsion mode
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Bending mode
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1st Mode
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2nd Mode
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2ND (Nodal Diameter)
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3ND (Nodal Diameter)
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4ND (Nodal Diameter)
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5ND (Nodal Diameter)
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1st Tangential Mode
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2nd Tangential Mode
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Input Point Mobility
- 通过解析Mobility,评估Input Point Mobility,开发可有效阻隔Structure Borne Noise的车身
Max. Input Point Mobility@Cradle Engine Mount
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Max. Input Point Mobility@Cradle Engine Mount
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Acoustic Analysis
- 通过Mode及Explicit解析结果,进行噪音解析,设计低噪音驱动齿轮
Explicit Analysis
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Mode Analysis
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Acoustic Analysis
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Random Response Analysis
- 设计满足随机荷载条件所要求的寿命的产品
PSD 重量
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1σ RMS Von Mises Stress
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