公开(公告)号：US20250053705A1

公开(公告)日：2025-02-13

申请号：US18718033

申请日：2022-06-14

Applicant: Siemens Industry Software NV

Inventor： Hadrien Beriot ,  Onur Atak ,  Yue Li

IPC: G06F30/23 ,  G06F111/10 ,  G06F113/28

Abstract: The invention relates to a computer-implemented method computer product, computer-readable medium, and system for determining acoustic parameters of an object's (OBJ) emission and/or scattering within a predetermined frequency range (FRG), by applying Boundary Element Method (BEM) to the object, comprising splitting said object's (OBJ) surface into surface elements (ESF) and assigning boundary conditions (BCD) to said surface elements (ESF), further comprising •Providing polynomial shape functions (SFC) over each of said elements (ESF) for mapping geometry and acoustic parameters to said elements (ESF), wherein for each surface element (ESF) the order (SFO) of said shape functions (SFC) is determined by an adaptivity module (ADM), •Assembling the elements (ESF) of said surface by recombining the shape functions (SFC) obtaining a system matrix (SMX), •Solving said system matrix (SMX), •Determining said acoustic parameters (PRT) from said shape functions (SFC).

公开(公告)号：US12216968B2

公开(公告)日：2025-02-04

申请号：US18732451

申请日：2024-06-03

Applicant: SHANGHAI JIAO TONG UNIVERSITY

Inventor： Chuntong Li ,  Deyu Wang ,  Guijie Shi

IPC: G06F30/20 ,  G06F30/10 ,  G06F111/10

Abstract: Ship structural ultimate bearing analysis and design research is involved. A method for implementing ultimate strength analysis of plate frame structure based on isogeometric analysis includes the following steps: according to the plate frame structure, constructing an IGA model, wherein the IGA model comprises several plane shell elements; carrying out a coordinate transformation on the plane shell elements; carrying out a weak coupling on boundaries of transformed plane shell elements by Nitsche method and carrying out a mesh refinement; setting material properties, loads and boundary conditions of refined plane shell elements, and constructing a nonlinear equation according to setting results; and solving the nonlinear equation by Newton-Raphson iteration method, and carrying out a simulation analysis by NX software to obtain an ultimate strength of the plate frame structure.

公开(公告)号：US12216967B2

公开(公告)日：2025-02-04

申请号：US17239068

申请日：2021-04-23

Applicant: dSPACE digital signal processing and control engineering GmbH

Inventor： Bjoern Bobe

IPC: G06F30/20 ,  H03K19/173 ,  G06F111/10

Abstract: A computer-implemented method for real-time simulation of the operation of a specific electric motor by a simulator arithmetic unit comprising a programmable logic device on which a generic motor model is implemented. The method includes: providing a generic system of equations corresponding to the generic motor model; receiving specific information corresponding to the specific motor to be simulated for the generic system of equations and inputting this information into the generic system of equations; generating a specific library containing at least some of the arithmetic operations required for the matrix operations for calculating the operation of the specific motor; implementing references in the generic motor model to the arithmetic operations of the specific library required for real-time simulation of the operation of the specific electric motor; and simulating the operation of the specific electric motor by running the generic motor model on the simulator arithmetic unit.

公开(公告)号：US12204836B1

公开(公告)日：2025-01-21

申请号：US17550238

申请日：2021-12-14

Applicant: Primarius Technologies Co., Ltd.

Inventor： Zhihong Liu ,  Yutao Ma

IPC: G06F30/367 ,  G06F30/373 ,  G06F111/10

Abstract: Method and System for Parallel Design and Technology Optimization are disclosed. The disclosed method enables efficient parallel design and technology optimization (PDTO) and allow designers to sign off the technology development or find the optimal design point with the design analysis tools. The method includes generating, from a manufacturing technology process, a baseline SPICE model based on technology specification and manufacturing process data; extending the baseline SPICE model to a corresponding description of technology specification window in the circuit design process, where the technology specification window describes extended ranges of device model parameters; extracting a targeted SPICE model using the technology specification window; verifying, by a circuit design process that operates in parallel to the manufacturing technology process, the integrated circuit meets a design specification using the targeted SPICE model.

公开(公告)号：US20250005234A1

公开(公告)日：2025-01-02

申请号：US18826827

申请日：2024-09-06

Applicant: Dassault Systemes Americas Corp.

Inventor： Pradeep Gopalakrishnan ,  Raoyang Zhang ,  Hudong Chen

IPC: G06F30/25 ,  G06F17/11 ,  G06F30/23 ,  G06F30/28 ,  G06F30/367 ,  G06F111/08 ,  G06F111/10 ,  G06F113/08

Abstract: Techniques for simulating fluid flow on a computer that involve a stable entropy solver are described. The techniques include simulating activity of a fluid across a mesh, the activity of the fluid being simulated so as to model movement of particles across the mesh, storing, in a computer accessible memory, a set of state vectors for each mesh location in the mesh, each of the state vectors comprising a plurality of entries that correspond to particular momentum states of possible momentum states at a corresponding mesh location, simulating a time evolution of entropy of the flow by collecting incoming set of distributions from neighboring mesh locations for the collision operation, calculating by the computer scalar values in each location, determining outgoing distributions as a product of the collision operation and addition of a heat source, and modifying the flow by the computer performing for a time interval, an advection of the particles to subsequent mesh locations.

公开(公告)号：US20240419874A1

公开(公告)日：2024-12-19

申请号：US18702840

申请日：2023-04-28

Applicant: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS

Inventor： Zhiyuan HU ,  Yongjie SHI ,  Guohua XU ,  Yang LIU ,  Jiahao ZHU

IPC: G06F30/28 ,  G06F111/10 ,  G06F113/08 ,  G06T1/20

Abstract: A graphics processing unit (GPU)-based numerical simulation system and method for a helicopter flow field (FF). The GPU-based system includes a central processing unit (CPU) and a GPU. The CPU is configured to initialize a moving overset grid according to a preset configuration file and the mesh files of a to-be-simulated helicopter; determine face batch information according to mesh blocks in the moving overset grid; determine an overset interpolation relationship between the mesh blocks and an interpolation mapping index according to the mesh files at a current simulation moment; and perform FF information exchanging between the mesh blocks according to the overset interpolation relationship, the interpolation mapping index, and FF information of the mesh blocks, to obtain to-be-simulated helicopter FF information. The GPU computes the FF information of the mesh blocks in the motion nested mesh according to surface batch information by using a computational fluid dynamics (CFD) method.

公开(公告)号：US12164296B2

公开(公告)日：2024-12-10

申请号：US18364587

申请日：2023-08-03

Applicant: TUSIMPLE, INC.

Inventor： Liu Liu ,  Yuwei Wang ,  Xing Sun ,  Yufei Zhao ,  Wutu Lin

IPC: G05D1/00 ,  G06F30/15 ,  G06F30/20 ,  G06F111/10

Abstract: An autonomous vehicle simulation system for analyzing motion planners is disclosed. A particular embodiment includes: receiving map data corresponding to a real world driving environment; obtaining perception data and configuration data including pre-defined parameters and executables defining a specific driving behavior for each of a plurality of simulated dynamic vehicles; generating simulated perception data for each of the plurality of simulated dynamic vehicles based on the map data, the perception data, and the configuration data; receiving vehicle control messages from an autonomous vehicle control system; and simulating the operation and behavior of a real world autonomous vehicle based on the vehicle control messages received from the autonomous vehicle control system.

公开(公告)号：US12147742B2

公开(公告)日：2024-11-19

申请号：US18373298

申请日：2023-09-27

Applicant: University of Science and Technology Beijing

Inventor： Ningning Liu ,  Linjing Huang ,  Ruifeng Dou ,  Mengqi Yu ,  Linxi Zhang ,  Zhi Wen ,  Xunliang Liu

IPC: G06F30/20 ,  G06F111/08 ,  G06F111/10

Abstract: A method for numerical reconstruction and heat transfer characteristics evaluation of a microstructure of thermal barrier coatings containing microcracks includes the following steps: determining a simulation area and size settings, generating random microcracks with different morphological characteristics and placing the microcracks in the simulation area, and determining whether a space occupied by the microcracks reaches a porosity ratio of the preset microcracks, building a general pore model of thermal barrier coatings (TBCs) based on the QSGS method, reconstructing true mesoscopic morphologies of the TBCs, determining whether the preset volume fraction has been reached, and building a heat transfer analysis model based on the thermal Lattice Boltzmann method to calculate heat insulation performance parameters such as temperature distribution, and thermal conductivity. Compared with the prior art, the heat transfer analysis model can restore a mesoscopic structure of the coating more truly and effectively.

公开(公告)号：US12147738B2

公开(公告)日：2024-11-19

申请号：US17305041

申请日：2021-06-29

Applicant: Landmark Graphics Corporation

Inventor： Qinghua Wang ,  Hanife Meftun Erdogan ,  Dong Li

IPC: G06F30/20 ,  G01V20/00 ,  G06F111/10

Abstract: Hybrid computing that utilizes a computer processor coupled to one or more graphical processing units (GPUs) is configured to perform computations that generate outputs related to reservoir simulations associated with formations that may include natural gas and oil reservoirs.

公开(公告)号：US20240370605A1

公开(公告)日：2024-11-07

申请号：US18646762

申请日：2024-04-26

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yusuke ONDA ,  Hiroshi OKI ,  Norihito NAKATA

IPC: G06F30/20 ,  G06F111/10 ,  G06F113/04 ,  G06F119/02

Abstract: A simulator capable of communicating with an energy management system (EMS), the simulator including a simulator unit configured to execute a simulation of an algorithm program to be evaluated for the EMS, a performance determination unit configured to determine performance of the algorithm program to be evaluated based on a result of operations of the simulator unit, and a quality determination unit for the simulation unit, wherein an interface for when the algorithm program to be evaluated is incorporated into the simulator and an interface for when the algorithm program to be evaluated is incorporated into the EMS are commonalized.