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Concurrent topology optimization of structures and materials
Optimization multi-scale hierarchical structure design material design
2015/1/12
Topology optimization allows designers to obtain lightweight structures considering the binary distribution of a solid material. The introduction of cellular material models in topology optimization a...
MATHEMATICAL ANALYSIS OF THE LITHIUM ION TRANSPORT IN LITHIUM ION BATTERIES USING THREE DIMENSIONAL RECONSTRUCTED ELECTRODES
Lithium Ion Battery Diffusion Induced Stress Micro/Nano-CT
2015/1/12
Computational analysis of lithium ion batteries has been improved since Newman and et al. suggested the porous electrode theory. It assumed the electrode as a simple structure of homogeneous spherical...
EMPIRICAL STUDY OF ACOUSTIC INSTABILITY IN PREMIXED FLAMES: MEASUREMENTS OF FLAME TRANSFER FUNCTION
flame transfer function EMPIRICAL STUDY
2015/1/12
Inordertoconformtopollutant-controlregulationsandminimizeNOxemissions,
modernhouseholdboilersandcentralheatingsystemsaremovingtowardpremixed
combustors.Thesecombustorshavebeensuccessfulwithregardsto...
Shape optimization of lightweight structures under blast loading
design under uncertainty blast loading
2015/1/12
Structural optimization of vehicle components for blast mitigation seeks to counteract the damaging effects of an impulsive threat on occupants and critical components. The strong and urgent need for ...
Coupled Dynamic Analysis of Flow in the Inlet Section of a Wave Rotor Constant Volume Combustor
wave rotor coupled analysis
2015/1/12
A wave rotor constant volume combustor (WRCVC) was designed and built as a collaborative work of Rolls Royce LibertyWorks, Indiana University-Purdue University at Indianapolis (IUPUI), and Purdue Univ...
Injector Waveform Monitoring of a Diesel Engine in Real-Time on a Hardware in the Loop Bench
HIL FPGA Real-Time Injector Waveform Diesel Engine
2015/1/12
This thesis presents the development, experimentation and validation of a reliable and robust system to monitor the injector pulse generated by an Engine Control Module (ECM) and send the correspondin...
COMPUTATIONAL STUDY OF SURFACE-SEGREGATED PT ALLOY CATALYSTS FOR OXYGEN REDUCTION REACTION
surface segregation Pt alloy oxygen reduction adsorption energy
2015/1/12
In this thesis two research objectives have been accomplished using computational simulation techniques. (1) The surface segregation phenomena in the surfaces of (111), unreconstructed (110) and recon...
SYTHESIS OF MESOPOROUS PHOSPHATES VIA SOLID STATE REACTION AT LOW TEMPERATURE
mesoporous chromium phosphates solid state reaction
2015/1/12
Three parts consist of my thesis work centered on the synthesis of inorganic
phosphates and then metal organic frame work (MOF). The first part is the synthesis of mesoporous chromium phosphates usin...
STUDY OF CATALYST LAYER FOR POLYMER ELECTROLYTE FUEL CELL
CATALYST LAYER POLYMER ELECTROLYTE FUEL CELL
2015/1/12
TherearethreepartsinthisworkcenteredonthecatalystlayerofPolymer
ElectrolyteFuelCell(PEFC)inthisthesis.ThefirstpartisformakingbestMEA
structure.Oneofthemajoraimsofthisinvestigationistounderstandthemi...
基于虚拟样机的机械件消耗规律确定方法
虚拟样机 舰炮机械件 疲劳可靠性寿命 核对表法
2016/10/11
针对传统的消耗规律确定方法很难准确地预测舰炮机械件的消耗量的问题,提出基于虚拟样机的机械件 消耗规律确定方法。以舰炮典型机械机构方向传动系统为例,采用FTA、FMECA 方法得到该机械机构的关重件,采 用Virtual.Lab Motion 仿真软件构建了方向传动系统仿真模型,对齿轮故障进行仿真验证;通过建立疲劳可靠性寿命 预测流程与模型,得到不同可靠度下的第三级齿轮疲劳可靠性寿命;在对核对表法修...
Th Parameter Signature Isolation Method and Applications
Parameter Signature Isolation Method Applications
2014/10/24
Th Parameter Signature Isolation Method and Applications.
Modeling of Flash Boiling Flows in Injectors with Gasoline-Ethanol Fuel Blends
Flash Boiling Flows Injectors Gasoline-Ethanol Fuel Blends
2014/10/24
Flash boiling may be defined as the finite-rate mechanism that governs phase change in a high temperature liquid that is depressurized below its vapor pressure. This is a transient and complicated phe...
A Numerical Study of Droplet Formation and Behavior using Interface Tracking Methods
A Numerical Study Droplet Formation Interface Tracking Methods
2014/10/24
An adaptive remeshing algorithm has b een develop ed for multiphase flow simulations using the moving-mesh interface tracking (MMIT) technique. The edgeswapping algorithm uses the Delaunay criterion (...
汽车控制臂衬套对汽车的操控性和舒适性都有很大影响,分析橡胶臂衬套在整车载荷中的变形规律对于产品设计和验收有很大意义。该文首先分析了控制臂衬套在整车中的受力特点;然后进行了橡胶部件的力学性能实验,确定了材料模型和参数;对控制臂衬套在球头销处承受整车x向和y向载荷的工况进行了仿真。结果表明控制臂衬套在该文安装方式下,整车x向力下后衬套的变形接近K1方向;在整车y向载荷下,后衬套变形可以忽略,载荷主要由...