Simulation analysis of helicopter blade properties based on multi-body dynamics

2015 ◽  
Author(s):  
J.L. He ◽  
Y. Tan ◽  
Y.R. Ma ◽  
L. Xu ◽  
T. Wang
Keyword(s):  
Simulation Analysis ◽  
Helicopter Blade ◽  
Body Dynamics ◽  
Multi Body

Simulation Analysis and Structure Optimum Design of the High Speed Conveying Manipulator Based on ADAMS

2014 ◽  
Vol 945-949 ◽  
pp. 121-126 ◽  
Author(s):  
Feng Wei Xue ◽  
Ji Ping Zhou
Keyword(s):  
Production Line ◽  
High Speed ◽  
Design Theory ◽  
Simulation Analysis ◽  
Structural Characteristics ◽  
Transmission System ◽  
Manufacturing Cost ◽  
Body Dynamics ◽  
Virtual Prototyping Technology ◽  
Multi Body

The conveying manipulator is an indispensable transmission system of JM31-160 automatic stamping production line, and structural characteristics of the manipulator directly affect the productivity of auto stamping production line. Using virtual prototyping technology, basing on the Multi-body dynamics theory, explored the technical line of dynamic design theory to apply on the transmission system. Reaching a conclusion the function of optimized structure is improved, and manufacturing cost brings down.

Simulation Analysis on Ride Comfort of Heavy Vehicle

2013 ◽  
Vol 339 ◽  
pp. 425-429 ◽  
Author(s):  
Song Wang ◽  
Da Wei Liu ◽  
Wei Liu
Keyword(s):  
Evaluation Method ◽  
Ride Comfort ◽  
Simulation Analysis ◽  
Dynamics Simulation ◽  
Heavy Vehicle ◽  
Superposition Method ◽  
Body Dynamics ◽  
Ride Comfort Evaluation ◽  
Multi Body ◽  
Body Dynamic

In this paper, a detailed rigid-flexible coupling multi-body dynamic model of heavy vehicle was established using multi-body dynamics method, and B class road model was built using harmonic superposition method. Then, the platform of heavy vehicle dynamics simulation was established. The driver seat acceleration and tire dynamic load were simulated at different speeds under the input of different random road excitations. According to the ride comfort evaluation method provided by ISO2631-1, total weighted root-mean-square (RMS) acceleration evaluation method was used to evaluate the ride comfort of heavy vehicle at different ride speeds.

Rigid-Elastic Coupling Multi-Body Dynamics Modeling for a Car and Analysis Optimization of Understeer

2014 ◽  
Vol 490-491 ◽  
pp. 858-862
Author(s):  
Tian Ze Shi ◽  
Deng Feng Wang ◽  
You Kun Zhang ◽  
Hong Liang Dong
Keyword(s):  
Dynamic Model ◽  
Simulation Analysis ◽  
Elastic Coupling ◽  
Dynamics Modeling ◽  
Suspension Parameters ◽  
Body Dynamics ◽  
Steering Effort ◽  
Multi Body ◽  
Body Dynamic

A rigid-elastic coupling multi-body dynamic model of a car was established. The controllability and stability including constant cornering, steering returnability and steering effort performances are analyzed. Results show that there is still a feasibility to enhance the understeer. By optimizing the suspension parameters using DOE method, the characteristic of understeer was improved. Simulation analysis indicated that the characteristics of steering effort and steering returnability were not affected due to change of suspension parameters.

Vibrating Simulation of Diesel Engine Based on Multi-Body Dynamics

2011 ◽  
Vol 97-98 ◽  
pp. 706-711 ◽  
Author(s):  
Kang Shao ◽  
Chang Wen Liu ◽  
Fong Rong Bi ◽  
Xian Feng Du ◽  
Xia Wang ◽  
...  
Keyword(s):  
Diesel Engine ◽  
System Analysis ◽  
Simulation Analysis ◽  
Three Dimensional ◽  
Dynamics Simulation ◽  
Main Bearing ◽  
Engine Vibration ◽  
Body Dynamics ◽  
Flexible Body Dynamics ◽  
Multi Body

Taking example of a four-cylinder inline diesel engine that used in vehicle, this paper makes an assembly engine of three-dimensional that based on virtual prototype technology. While using the flexible-body dynamics simulation, the main bearing load that effect engine’s vibration will be gained. And the key point vibration response will be gained when the support part constrained. The experimental results coincide with the simulation results shows the correction of the simulation analysis. The initial stage of the vibration can be predicted by using the method of multi-body system analysis, and this guide the designer to identify the engine vibration.

The Multi-Body Dynamics Contact Simulation on Transmission Gears

2014 ◽  
Vol 989-994 ◽  
pp. 3037-3040
Author(s):  
Xiao He Deng
Keyword(s):  
Fourier Transform ◽  
Rigid Body ◽  
Simulation Model ◽  
Simulation Analysis ◽  
Rigid Body Dynamics ◽  
Gear Dynamics ◽  
Body Dynamics ◽  
Multi Body ◽  
Shift Gears

Based on the theory of gear dynamics and contact, the paper uses multi-rigid-body dynamics software ADAMS to build transmission simulation model. The model takes the highest shift gears of a transmission as objects to finish gear meshing simulation analysis. The corresponding meshing force and its Fourier transform results are acquired based on the analysis to get the transmission gears meshing properties.

Dynamics Simulation Analysis of Roller Gear Indexing Cam Mechanism with Friction Gap

2012 ◽  
Vol 426 ◽  
pp. 213-217
Author(s):  
De Gong Chang ◽  
R. Zong ◽  
Cong Feng An
Keyword(s):  
Theoretical Basis ◽  
Simulation Analysis ◽  
Angular Acceleration ◽  
Dynamics Simulation ◽  
Assembly Model ◽  
Cam Mechanism ◽  
Rule Curves ◽  
Body Dynamics ◽  
Contact Transmission ◽  
Multi Body

Based on multi-body dynamics theory, this paper uses ADAMS to carry on the dynamic simulation for assembly model of roller gear indexing cam mechanism in the case of frictionless and consideration of friction gap, detailed analysis of the gap generated by friction has influence on contact transmission of cam mechanism, and obtained the movement rule curves of angular velocity and angular acceleration and some valuable conclusions. It provided theoretical basis and reference for the subsequent design and research of roller gear indexing cam mechanism.

Multi-Body Dynamics Analysis of V-Type Diesel Engine Crankshaft

2014 ◽  
Vol 988 ◽  
pp. 617-620
Author(s):  
Ran Ran Wang ◽  
Yan Ming Xu ◽  
Xian Bin Teng
Keyword(s):  
Finite Element ◽  
Diesel Engine ◽  
Dynamic Models ◽  
Simulation Analysis ◽  
Simulation Method ◽  
Dynamics Simulation ◽  
Finite Element Software ◽  
Body Dynamics ◽  
Multi Body ◽  
Engine Crankshaft

Based on the V-type diesel engine crankshaft system, the paper combined the finite element method (fem) and multi-body dynamics method together, made a virtual simulation analysis. First, by 3d software and finite element software to establish the multi-body dynamic models of the crankshaft, bearing and piston, then simulated the actual engine working condition, and got the data such as crankshaft acceleration, velocity and displacement by the multi-body dynamics simulation analysis. By calculation, the paper found that by using the combination of finite element and multi-body simulation method, can we effectively simulate the diesel engine crankshaft dynamics characteristics.

Modeling and Simulation Analysis of Certain Vehicular Gatling Gun

2013 ◽  
Vol 275-277 ◽  
pp. 2467-2470
Author(s):  
Tao Li ◽  
Rui Lin Wang ◽  
Long Bo Sheng
Keyword(s):  
Simulation Analysis ◽  
Flexible Body ◽  
Response Characteristics ◽  
Vehicle Velocity ◽  
Impact Position ◽  
Body Dynamics ◽  
Velocity Condition ◽  
Flexible Body Dynamics ◽  
Multi Body ◽  
Exterior Ballistics

To study the influence of barrel’s deformation and vehicle velocity to certain vehicular Gatling gun, a virtual simulation with rigid-flexible coupling was established by using ADAMS/Flex module based on rigid multi-body dynamics and flexible body dynamics theories. Considering the interaction of the tires and road surface, vehicle and machine gun, the dynamic analysis and calculation of exterior ballistics were completed in various vehicle velocity condition, the muzzle response characteristics and impact position were obtained. The Model is testified rational, accuracy and effective by comparing simulating results with the experimental data of the velocity and displacement of barrel, which has laid the foundation for further simulation and structural optimization.

Heavy-Duty Car Multi-Body Dynamics Simulation and Optimization Research

2014 ◽  
Vol 950 ◽  
pp. 275-280
Author(s):  
Meng Cai ◽  
Liang Gu
Keyword(s):  
Simulation Analysis ◽  
Dynamic Performance ◽  
Dynamics Simulation ◽  
Heavy Duty ◽  
Simulation And Optimization ◽  
Heavy Duty Truck ◽  
Development Cycle ◽  
Body Dynamics ◽  
Optimization Simulation ◽  
Multi Body

TIn this paper, according to the structure characteristics and using characteristics of heavy duty truck, we use the principle of vehicle dynamics and simulation analysis method to deeply study the dynamic characteristics of heavy duty truck. And we also use the heavy duty model to carry on the optimization simulation and experimental validation for riding smoothness and handling stability. So as to guide the development and design of heavy duty truck, to get the purpose of control the dynamic performance and shorten the development cycle.

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