Simulation of Moving Loads in Elastic Multibody Systems With Parametric Model Reduction Techniques
نویسندگان
چکیده
منابع مشابه
Interpolation-based Parametric Model Order Reduction for Elastic Multibody Systems
The consideration of elastic effects as well as nonlinear rigid body motions makes the description of mechanical systems by elastic multibody systems (EMBS) a powerful tool in the development process. Due to the fine spatial discretization of the elastic continuum, the reduction of the elastic degrees of freedom is necessary. This essential step to enable efficient EMBS simulations can be execu...
متن کاملOrder Reduction of Stii Solvers at Elastic Multibody Systems
Elastic multibody systems arise in the simulation of vehicles, robots, air-and spacecrafts. After semidiscretization in space, a partitioned diierential-algebraic system of index 3 with large stiiness terms has to be solved. We investigate the behavior of numerical methods for stii ODEs and DAEs at this problem class and show that strong order reductions may occur. Examples from structural dyna...
متن کاملp(t)MOR: Time-Varying Parametric Model Order Reduction and Applications for Moving Loads
In this contribution we investigate Model Order Reduction (MOR) for linear systems with time-varying parameters p(t). Such systems arise, for instance, in structural dynamics and multibody simulations when the position of an acting force on the physical structure varies with time. This behaviour is found in many industrial applications, e.g. in meshing gears, milling processes, bridge cranes or...
متن کاملThe Comparison of Direct and Indirect Optimization Techniques in Equilibrium Analysis of Multibody Dynamic Systems
The present paper describes a set of procedures for the solution of nonlinear static-equilibrium problems in the complex multibody mechanical systems. To find the equilibrium position of the system, five optimization techniques are used to minimize the total potential energy of the system. Comparisons are made between these techniques. A computer program is developed to evaluate the equality co...
متن کاملAnalysis and Comparison of PAPR Reduction Techniques in OFDM Systems
The destructive impact of fading environments and also bandwidth limitations are two main challenges which communication is dealing with them. These challenges can affect on the growth of wireless communication and even cause reliable communications and high data rate to be prevented. Thus, OFDM (Orthogonal Frequency Division Multiplexing) modulation by using of fast calculation hardwares such ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Archive of Mechanical Engineering
سال: 2014
ISSN: 2300-1895
DOI: 10.2478/meceng-2014-0013