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1. 发明申请

US20180075184A1 REPRESENTATION OF A SKELETON OF A MECHANICAL PART 审中-公开
公开(公告)号：US20180075184A1
公开(公告)日：2018-03-15
申请号：US15701079
申请日：2017-09-11
申请人： DASSAULT SYSTEMES
发明人： Arnaud Deslandes , Karim Yousfi , Damien Tessier
IPC分类号： G06F17/50
CPC分类号： G06F17/5086 , G06F17/50 , G06F17/5018 , G06F2217/08
摘要： The invention notably relates to a computer-implemented method for designing a mechanical part, the method comprising: providing a subset of a finite element mesh (FEM), the subset of the FEM representing the mechanical part; and determining a representation of a skeleton of the mechanical part based on the subset of the FEM, the skeleton having branches and branch junctions, each branch junction joining respective branches. This improves the designing of a mechanical part.

2. 发明申请

US20130124589A1 Compression and Decompression of Numerical Data 有权
标题翻译：数值数据的压缩和解压缩
公开(公告)号：US20130124589A1
公开(公告)日：2013-05-16
申请号：US13734531
申请日：2013-01-04
申请人： Dassault Systemes
发明人： Arnaud Deslandes
IPC分类号： G06F17/10
CPC分类号： G06F17/10 , G06T9/00 , H03M7/24 , H03M7/30 , Y10S706/919
摘要： The invention relates to a computer-implemented method for compressing numerical data comprising a structured set of floating point actual values. A floating point value is defined by a sign, an exponent and a mantissa. The method comprises computing a floating point predicted value related to a target actual value of the set. The computing includes performing operations on integers corresponding to the sign, to the exponent and/or to the mantissa of actual values of a subset of the set. The method also comprises storing a bit sequence representative of a difference between integers derived from the target actual value and the predicted value. Such a method is particularly efficient for reducing the storage size of a CAD file.
摘要翻译：本发明涉及一种用于压缩数字数据的计算机实现方法，其包括一组结构化的浮点实际值。浮点值由符号，指数和尾数定义。该方法包括计算与该组的目标实际值相关的浮点预测值。所述计算包括对与所述符号对应的整数，所述指数和/或所述集合的子集的实际值的尾数执行操作。该方法还包括存储表示从目标实际值导出的整数与预测值之间的差异的位序列。这种方法对于减小CAD文件的存储大小特别有效。

3. 发明授权

US10996651B2 Orientation of a real object for 3D printing 有权
公开(公告)号：US10996651B2
公开(公告)日：2021-05-04
申请号：US15823169
申请日：2017-11-27
申请人： DASSAULT SYSTEMES
发明人： Arnaud Deslandes , Jean-Francois Rameau
IPC分类号： G05B19/4099 , B29C64/386 , B29C64/40 , B33Y50/00 , G06F30/00 , G06F30/23 , B33Y50/02 , B29C64/393 , G06F119/18
摘要： Described herein is a computer-implemented method for orienting 3D printing of a real object. The method comprises obtaining a 3D modeled object that represents the real object. The method also comprises determining one or more orientations of the 3D modeled object for which an overhang volume is optimal. This improves 3D printing.

4. 发明授权

US10949580B2 Representation of a skeleton of a mechanical part 有权
公开(公告)号：US10949580B2
公开(公告)日：2021-03-16
申请号：US15701079
申请日：2017-09-11
申请人： DASSAULT SYSTEMES
发明人： Arnaud Deslandes , Karim Yousfi , Damien Tessier
IPC分类号： G06F30/17 , G06F30/00 , G06F30/23 , G06F111/06
摘要： The invention notably relates to a computer-implemented method for designing a mechanical part, the method comprising: providing a subset of a finite element mesh (FEM), the subset of the FEM representing the mechanical part; and determining a representation of a skeleton of the mechanical part based on the subset of the FEM, the skeleton having branches and branch junctions, each branch junction joining respective branches. This improves the designing of a mechanical part.

5. 发明授权

US08963748B2 Compression and decompression of numerical data 有权
标题翻译：数值数据的压缩和解压缩
公开(公告)号：US08963748B2
公开(公告)日：2015-02-24
申请号：US13734531
申请日：2013-01-04
申请人： Dassault Systemes
发明人： Arnaud Deslandes
IPC分类号： G06F17/10 , H03M7/24 , H03M7/30 , G06T9/00
CPC分类号： G06F17/10 , G06T9/00 , H03M7/24 , H03M7/30 , Y10S706/919
摘要： The invention relates to a computer-implemented method for compressing numerical data comprising a structured set of floating point actual values. A floating point value is defined by a sign, an exponent and a mantissa. The method comprises computing a floating point predicted value related to a target actual value of the set. The computing includes performing operations on integers corresponding to the sign, to the exponent and/or to the mantissa of actual values of a subset of the set. The method also comprises storing a bit sequence representative of a difference between integers derived from the target actual value and the predicted value. Such a method is particularly efficient for reducing the storage size of a CAD file.
摘要翻译：本发明涉及一种用于压缩数字数据的计算机实现方法，其包括一组结构化的浮点实际值。浮点值由符号，指数和尾数定义。该方法包括计算与该组的目标实际值相关的浮点预测值。所述计算包括对与所述符号对应的整数，所述指数和/或所述集合的子集的实际值的尾数执行操作。该方法还包括存储表示从目标实际值导出的整数与预测值之间的差异的位序列。这种方法对于减小CAD文件的存储大小特别有效。

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