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Research on converting CAD model to MCNP model based on STEP file

机译:基于STEP文件的CAD模型转换为MCNP模型的研究。

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摘要

MCNP input file has the characteristics of complicated form and is error-prone in describing geometry model. Therefore we need design and implement an algorithm of conversion general CAD model to MCNP model to solve the existing problems in MCNP aided modeling software. And it can convert the CAD model to MCNP input file. In order to achieve the above goal, this paper concentrates on converting CAD model to MCNP model, after analyzing STEP neutral File and MCNP INP file, we designed an algorithm to achieve converting STEP file to INP file. The result of experiment shows that it has better applicability than the other converting algorithm after getting geometry information of the STEP file. And this algorithm can be widely used and make the communication between CAD systems and MCNP models.
机译:MCNP输入文件具有格式复杂的特点,在描述几何模型时容易出错。因此,我们需要设计并实现一种将通用CAD模型转换为MCNP模型的算法,以解决MCNP辅助建模软件中存在的问题。并且可以将CAD模型转换为MCNP输入文件。为了实现上述目标,本文着重于将CAD模型转换为MCNP模型,在分析了STEP中性文件和MCNP INP文件之后,设计了一种实现将STEP文件转换为INP文件的算法。实验结果表明,该算法在获取STEP文件的几何信息后,具有比其他转换算法更好的适用性。并且该算法可以被广泛使用,并使CAD系统与MCNP模型之间进行通信。

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