نتایج جستجو برای: discrete elements method

تعداد نتایج: 1982614  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور 1386

چکیده ندارد.

We introduced the continuous and discrete $p$-adic shearlet systems. We restrict ourselves to a brief description of the $p$-adic theory and shearlets in real case. Using the group $G_p$ consist of all $p$-adic numbers that all of its elements have a square root, we defined the continuous $p$-adic shearlet system associated with $L^2left(Q_p^{2}right)$. The discrete $p$-adic shearlet frames for...

2010
Andreas Linhart

A method for deriving reduced dynamic models of one-dimensional distributed systems is presented. It inherits the concepts of the aggregated modeling method of Lévine and Rouchon originally derived for simple staged distillation models and can be applied to both spatially discrete and continuous systems. The method is based on partitioning the system into intervals of steady-state systems, whic...

2005
R. VAN DEN BOOMGAARD E. A. ENGBERS A. W. M. SMEULDERS

This paper presents a decomposition scheme for a large class of greyscale structuring elements from mathematical morphology. In contrast with many existing decomposition schemes, our method is valid in the continuous domain. Conditions are given under which this continuous method can be properly discretized. The class of functions that can be decomposed with our method contains the class of qua...

2002
Chika Oshima Kazushi Nishimoto Yohei Miyagawa Takashi Shirosaki

In this description, we propose a new musical instrument named the “CiP (Coloring-in Piano)” that can facilitate to externalize musical expression of performers. Conventional music consists of two kinds of elements, i.e., "discrete elements" and "indiscrete elements." Pitch of each note and basic rhythm of the notes (i.e., time value of each note) described in a score are the discrete elements,...

Journal: :iranian journal of science and technology transactions of mechanical engineering 2015
f. azimpour h. akbulut h. ghaffarzadeh jahanpasand h. akbari khantakhti

nowadays, textile and woven fabric composites are taken into consideration forapplications in high mechanical properties and every in-plane direction. however, developments inmodelling and characterisation of the fabric reinforced composite materials are considered more inthe effects of element types used in the mesh generation of the crack tip. the type of elementselected for the crack tip, a ...

Journal: :international journal of mathematical modelling and computations 0
veena goswami kiit university india professor & dean , school of computer application,kiit university, bhubaneswar p. vijaya laxmi

this paper analyzes a controllable discrete-time machine repair problem withl operating machines and two repairmen. the number of working servers can be adjusteddepending on the number of failed machines in the system one at a time at machine's failure orat service completion epochs. analytical closed-form solutions of the stationary probabilities ofthe number of failed machines in the sys...

M. Danesh, M. Jalilkhani,

This study is devoted to discrete sizing optimization of truss structures employing an efficient discrete evolutionary meta-heuristic algorithm which uses the Newton gradient-based method as its updating scheme and it is named here as Newton Meta-heuristic Algorithm (NMA). In order to enable the NMA population-based meta-heuristic to effectively explore the discrete design space, a term contain...

2002
Rémy Malgouyres

We present a completely new principle of computation of radiosity values in a 3D scene. The method is based on a voxel approximation of the objects, and all occlusion calculations involve only integer arithmetics operation. The method is proved to converge. Some experimental results are presented.

Journal: :Computers & Structures 2022

Model for describing a three-dimensional continuous failure process of an ice sheet is introduced. The presented model based on the combined finite-discrete element method. consists polyhedral rigid discrete elements joined by lattice Timoshenko beam elements, which go through cohesive softening upon failure. contact accounts inter-particle friction and local in contacts. carefully validated ag...

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