Fast 3D solvers for interactive computational mechanics

被引：0

作者：

Gavranovic, Stefan ^{[1
,2
]}

Hassan, Zain ^{[2
,3
]}

Failer, Lukas ^{[4
]}

Hartmann, Dirk ^{[2
]}

机构：

[1] Tech Univ Munich, Sch Computat Informat & Technol, Arcisstr 21, D-80333 Munich, Germany

[2] Siemens Ind Software GmbH, Simulat & Test Solut, Otto Hahn Ring 6, D-81739 Munich, Germany

[3] Tech Univ Braunschweig, Inst Struct Anal, Univ Pl 2, D-38106 Braunschweig, Germany

[4] Siemens Ind Software NV, Simulat & Test Solut, Interleuvenlaan 68, B-3001 Leuven, Belgium

来源：

JOURNAL OF MATHEMATICS IN INDUSTRY | 2024年 / 14卷 / 01期

关键词：

Immersed Boundary Method; Geometric Multigrid Preconditioner; MINRES; CG; GPU Computing; Interactive Simulation; Computational Mechanics; FINITE CELL METHOD; NITSCHES METHOD; ELEMENT METHOD; SYSTEMS;

D O I：

10.1186/s13362-024-00160-x

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

While interactive simulations have been mostly limited to Computer Graphics applications, new generations of Graphics Processing Units (GPUs) allow the realization of industrial-grade interactive 3D physics simulations. By combining an immersed boundary method with efficient GPU-based MINRES and CG solvers using a GPU-based geometric multigrid preconditioner, we demonstrate a fast industrial 3D computational mechanics solver. The various implementation aspects - specifically how they differ from similar concepts used in the Computer Graphics community - are discussed in detail. The proposed concept opens up new classes of industrial simulation applications allowing a democratization beyond today's expert users, from designer centric simulation to operational and service decisions based on 3D simulations. To support this, we provide various benchmark cases including a real-world study of a simulation-based service decision for a damaged gear-box mount.

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页数：17

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