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首页> 美国政府科技报告 >Innovative Mechanism-Based Textile Composite Damage Modeling Basing on a Nonlinear Fiber Model and Enhanced Homogenization Method
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Innovative Mechanism-Based Textile Composite Damage Modeling Basing on a Nonlinear Fiber Model and Enhanced Homogenization Method

机译：基于非线性纤维模型和增强均匀化方法的基于创新机制的纺织复合材料损伤模型

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The ultimate goal of proposed research is to develop a new advanced simulation and designing tool of textiles and textile-based composites for developing lighter, more durable and affordable composite structures in military and commercial applications. In the current program, we have developed and integrated the following two new capabilities to our simulation and design system: 1. Extended nonlinear fiber model for simulating general textile fabrics and textile composite materials. 2. A high fidelity meso-structural model for textile composites. We have extended our nonlinear fiber model to general three-dimensional fabric system with arbitrary configuration and with interactions with other fibers and materials in the composite for simulating a practical textile composite. The new model accounts for geometry nonlinearity and arbitrary large deformation of fibers, fiber-to-fiber contacts, and fiber- to-other material contacts in a textile composite. This results in a unique capability for simulating textile composites, especially for more accurate damage assessment. The new capability will be further extended and integrated with the other advanced capabilities being developed for designing truly optimum textile composites for military and commercial applications.

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