qiyue

Optimization Analysis of Electric Motors for New Energy Vehicles

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Demand Background Since the development of new energyvehicleshas been vigorously advocated by the state due to the continuous reduction of oil resources and increasing environmental pollution,many new energy vehicle enterprises have emerged, leading to fierce competition in the market, whereeconomical andefficient motors is vital to enhance the market competitiveness ofenterprises. In order to reduce the development costs and timeof the motor,which hasacomplex structure and strong parameter coupling, it is necessary to employ simulation methods to simulate and optimize the existing designwith simulation methods and achieve the optimal design for specific performance. Solution A well-known automobile manufacturer in China offers a series of electric motors with speeds ranging from 400 to 1000 rpm. These motors are suitable for the brake system, electrical and mechanical system, and power steering system of new energy vehicles. In order to meet the requirement of enhancing the efficiency of motors, IBE has developed specialized motor simulation software based on the general multiphysics simulation PaaS platform Simdroid, which enables convenient optimization of motor parameters. After performingparameterized modeling of key components of the motor, such as the stator and the rotor, of theirinner and outer diameters and the shapeof slotswith the 2D modeling’featurein Simdroid, the voltage-current curves, contour …

Acoustic Cloud Simulation for Car Cockpit

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Demand Background Automotive NVH is a comprehensive index to measure the quality of automotive manufacturing. Early detection of NVH problems is critical because structural decisions for car cockpits are made during the initial design phase and are not easily modified later. The acoustic simulation analysis of the car cockpit can provide the basis for optimizing the early design scheme of the car and help enterprises reduce the cost, shorten the development cycle, and improve the sound quality of the car. Solution In order to meet the requirements of a well-known enterprise to develop new energy series cars and improve the sound quality of the car cockpit, IBE developed an acoustic simulation application for calculating the sound field distribution in a closed space based on the cloud simulation platform, which can calculate the acoustic mode of the car cockpit, plot the frequency response curve at any point, and export audio files. This assists engineers in design evaluation, helps enterprises determine the acoustic characteristics of the cockpit in the early stage of design, identifies potential problems as much as possible, and reduces the cost of prototype manufacturing and personnel rework. Meanwhile, it also provides a cloud simulation platform, facilitating collaborative work in …

Digital Simulation Platform for Marine Equipment

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Demand Background As thenational demonstration base for the new industrialization ofmarine engineering equipment, Nantong City boasts large scale of shipbuilding industry, which can achieve high-quality developmentonly through digital shipbuilding. Although simulation technology is a core technology for the digital transformation of shipbuilding and marine equipment manufacturing enterprises,its application penetration rate is relatively low. Solution Based on the resources of theBeijing Center ofNational Innovation Institute of Digital Design and Manufacturing,IBEhas led the establishment of the Ship Marine Equipment Digital Simulation Center in Nantong underthe support of the Nantong Chongchuan Economic Development Zone.Meanwhile, amarine equipment digital simulation platformhas been constructed together with the China Shipbuilding Industry Association and leading enterprises in the shipbuilding industry. Based on the architecture of “PaaS +App” and the general multiphysics simulation PaaS platform, Simdroid, developed by IBE, this platform has developed hundreds of simulation apps according to typical application scenarios and actual engineering needs of marine engineering, which covers scenarios such as propeller, anchor system, deck, pipeline system design, and hull segmented lifting engineering. It can be applied to component design evaluation, iterative optimization, virtual verification safety assessment, and optimization of work processes.   1. PaaS The platform supports cloud-native deployment and has a unified and universal …

Aviation Structural Simulation based on Aerobook and Simdroid

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Demand Background At each stage of the aircraft development process, rounds of structural and strength iterative design need to be carried out based on new loads, new requirements, new layouts, new changes, and new models.Due to such a large amount of work, a user-friendly aerospace structure “data + process + solution” digital platform is in urgent need to improve work efficiency and quality. Solution Adopting the material database and application software Matbook, the Aerobook platform for rapid iteration design of aerospace structures and strength, and Simdroid, a PaaS platform for general multiphysics simulation, the integrated aerospace structure simulation solution of “data + process + solution” can be used to complete tasks such as material data preparation, structureline and surface layout, finite element modeling, static and modal analysis, and post-processing for the BK900 aircraft model. Being used in structural layout design and strength modeling, the solution has addressed three main issues: data acquisition, rapid finite element modeling, and finite element modal and static analysis. Data acquisition in The Matbook platform solves the problems of data storage and format interfaces. Users can obtain unified and standardized material, ply, and fastener data from industry public clouds or enterprise private clouds and directly input …

Large-scale LNG Storage Tank Finite Element Analysis Software

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Demand Background The LNG storage tank isthe pivotal equipment within the entire LNG industrial chain, requiringcomplex design and high cost, positioning it among the top-tier technologies in the energy domain.As a leading enterprisein China’s LNG sector, China National Offshore Oil Corporation(CNOOC)continually strives to enhance itscapabilities in design, construction, management, and operations across the LNG industrial chain, fostering advancements and refinements in the LNG industry. Numerical simulationis an essential foundational technology in the technological framework of LNG storage tanks.To cultivate a robust technological system for large-scale LNG storage tanks, the R&D Center of CNOOC Gas & Power is in urgent need of suchsimulation software that canmeet the intricacies and demands of LNG storage tank design and research.   Solution In the strategy of “platform + application”, a highly specialized, automated finite element analysis software for large-scale LNG storage tankshas been developed by CNOOC Gas & Power Research and Development Centerand IBE through enhancing functionalitiesand integrating industry knowledge to meet the requirements ofnumerical analysis of large-scale LNG storage tanksbased on IBE’s generalmultiphysicssimulationPaaSplatform, Simdroid. In terms of enhancing basic functionality, the technical team ofIBE has conducted extensive comparison tests.Driven by the analytical outcomes and the simulation requirements for LNG storage tanks, the basic …

Ventilation and Cooling Simulation for Modern Breeding House

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Demand Background In breeding houses, the thermal environment is complex and influenced by temperature, humidity, airflow, thermal radiation, etc., which directly affects the body heat regulation of pigs, thereby affecting theirgrowth. That means creating an excellent indoor breeding environment can effectively improve the growth of pigs and increase the economic benefits of pig-raising enterprises. Compared with traditional breeding environment design which mainly relies on theory and experience but lacks verification,digital simulation technology can conveniently and quickly display the temperature distribution, airflow, and other information in the breeding environment, optimizing the ventilation design and ventilation equipment selection of the breeding pig house. Sinceflow, temperature, humidity, and thermal radiationare all involved in the simulation, itplaceshigher demands on the maturity of simulation software and the application level of researchers’ simulation technology. Solution Guangxi Yangxiang Co., Ltd. has developed a modernized pig house ventilation and coolingsimulation appbased on Simdroid, which can automatically generate models and calculation reports byjustinputtingdesign parameters of the pig house building and environmental parameters. Indifferent stages,such asthe design and planning of pig house ventilation, daily operation, expansion, and optimization, the appcan be used to simulate the ventilation and heat dissipation conditions inside the pig house and carry out scientific and efficient …

Workstation Cooling Simulation

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Demand Background With the rapid development of the electronic information industry, electronic devices are gradually evolving towards portability and high integration, which increasesthechallenges for heat managementbecause the internal heat flux density and heat flow within these devices are increasing. For example, workstations, which undergo continuous and high-intensity workloads, require high-level chipsets and high-performance multi-core processors, demanding superior machine stability.Thus, the arrangement of heat sources and heat dissipation design inside the chassis becomes crucialbecause temperature greatly affects the performance of electronic components. Solution Simulation-assisted thermal design is the most effective approach to address heat management for electronic devices. IBE has developed an Simdroid Electronic Cooling module for heat dissipation in electronic components and devices. This module features a professional component model library for electronic products, which enables users to create geometric models using a “building-block” approach rapidly. Additionally, it facilitates the automatic generation of high-quality orthogonal hexahedral meshes, supports fluid-thermal coupling, and delivers highly accurate simulation results. The simulation of“HP Z8 G4” workstationhas been done with the Simdroid Electronic Cooling moduleto analyze the internal heat dissipation conditions during operations. Geometric Modeling: The internal chassis model is simplified to save computational resources. Only critical heat sources and components that substantially impact heat …