Altair > 实例探究 > 使用 Altair OptiStruct 优化 Viessmann 的供热锅炉声学

使用 Altair OptiStruct 优化 Viessmann 的供热锅炉声学

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关于客户

Viessmann Werke GmbH 是一家总部位于德国的家庭和工业供暖技术领先制造商。该公司致力于通过使用创新的产品设计，最大限度地减少制造工艺链每个阶段对环境的影响。在开发新一代燃气采暖锅炉的过程中，该公司面临着声学问题的挑战，需要通过改变锅炉盖的设计来解决。该公司寻求一种不仅能解决声学问题，而且具有成本效益且环保的解决方案。

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挑战

Viessmann Werke GmbH 是一家领先的家庭和工业供暖技术制造商，在开发新一代燃气供暖锅炉的过程中面临着声学问题。面临的挑战是通过增加锅炉盖的结构刚度来降低噪音水平。最初的方法涉及集成额外的部件以增加刚度。然而，这种方法并不是最佳的，因为它导致质量增加和零件数量增加，从而导致成本更高。我们寻求了一种替代方法，从而使用 Altair OptiStruct 探索最佳的珠子图案。珠子图案概念受到青睐，因为它可以减少质量、减少零件，并最终降低总成本。

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解决方案

为了生成最佳的珠子图案，使用 Altair OptiStruct 采用了两步优化过程。第一步涉及形貌优化以生成初始珠布局。所需的珠子参数，例如珠子宽度和高度，是在设计空间内定义的。然后，OptiStruct 生成针对给定设计目标的最佳模式的设计建议。目标是在指定负载条件下最大限度地提高覆盖层的刚度。 OptiStruct 还允许定义所需的珠图案对称性，以生成更易于制造的设计。第二步涉及预先优化的焊道图案的形状优化，以进一步提高组件性能。即使没有基础 CAD 数据，也可以使用集成变形技术对初始设计进行参数化以实现形状优化。

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运营影响

The optimized cover design for the 'Vitopend 200' boiler series, enhanced by Altair OptiStruct, went into production in 2005. The use of optimization techniques in the design process led to significant improvements. The stiffness of the boiler cover was increased, which effectively reduced the noise levels. Additionally, the bead pattern concept resulted in less mass and fewer parts, leading to a lower total cost. The design was also easier to manufacture due to the defined bead pattern symmetries. The successful implementation of this solution demonstrates the potential of using advanced optimization techniques in the design process to improve product performance and reduce costs.

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数量效益

Stiffness improvement of the cover: +20% compared to the alternative design concept
Part consolidation and cost reduction: ~30% (an assembly of 4 parts reduced to one)

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