نتایج جستجو برای: crank

تعداد نتایج: 2024  

Journal: : 2023

In this article present a new method for investigating the functionality of crank-slider mechanism given coefficient change in average speed slider and optimal transmission angle to ensure most outstanding transfer force from input link working element (output link). When implementing technological process оn crank presses, it is necessary provide predetermined cycle motion: fast lifting, dwell...

2007
ERIC MORTENSON

Abstract. We introduce a crank-like statistic for a different class of partitions. In [AP], Andrews and Paule initiated the study of broken k-diamond partitions. Their study of the respective generating functions led to an infinite family of modular forms, about which they were able to produce interesting arithmetic theorems and conjectures for the related partition functions. Here we establish...

Journal: :Izvestiya Visshikh Uchebnykh Zavedenii. Chernaya Metallurgiya = Izvestiya. Ferrous Metallurgy 2016

2010
WILLEM HUNDSDORFER

In this paper convergence properties are discussed for some locally one-dimensional (LOD) splitting methods applied to linear parabolic initialboundary value problems. We shall consider unconditional convergence, where both the stepsize in time and the meshwidth in space tend to zero, independently of each other.

Journal: :Journal of neurophysiology 1999
C C Raasch F E Zajac

A group of coexcited muscles alternating with another group is a common element of motor control, including locomotor pattern generation. This study used computer simulation to investigate human pedaling with each muscle assigned at times to a group. Simulations were generated by applying patterns of muscle excitations to a musculoskeletal model that includes the dynamic properties of the muscl...

Journal: :Journal of biomechanical engineering 2005
Nils A Hakansson M L Hull

An understanding of the coordination of the leg muscles in recumbent pedaling would be useful to the design of rehabilitative pedaling exercises. The objectives of this work were to (i) determine whether patterns of muscle activity while pedaling in the recumbent and upright positions are similar when the different orientation in the gravity field is considered, (ii) compare the functional role...

Journal: :SIAM J. Scientific Computing 2003
Shan Zhao Guo-Wei Wei

In this paper, a discrete singular convolution (DSC) algorithm is introduced to solve Fisher’s equation, to which obtaining an accurate and reliable traveling wave solution is a challenging numerical problem. Two novel numerical treatments, a moving frame scheme and a new asymptotic scheme, are designed to overcome the subtle difficulties involved in the numerical solution of Fisher’s equation....

2015
AR. Haghighi M. Shojaeifard

The Burgers equation is a simplified form of the Navier-Stokes equations that very well represents their non-linear features. In this paper, numerical methods of the Adomian decomposition and the Modified Crank Nicholson, used for solving the one-dimensional Burgers equation, have been compared. These numerical methods have also been compared with the analytical method. In contrast to the conve...

ژورنال: :مهندسی عمران مدرس 2015
مریم پام غلامرضا اسدالله فردی احمد خدادادی

چکیده- اصلاح الکتروکینتیک یک تکنولوژی نوید بخش است که می­توان از آن برای پاکسازی خاک های ریزدانه در محل استفاده کرد. در این مطالعه حل عددی فرآیند الکتروکینتیک در خاک آلوده به جیوه مورد توجه قرار گرفته است. مدل عددی برای شبیه سازی انتقال جیوه تحت یک میدان الکتریکی با استفاده از معادله یک بعدی انتقال- انتشار توصیف کننده انتقال آلاینده فرمول بندی شده است. مدل ارائه شده برای نشان دادن تغییر ph و حذ...

2007
THOMAS KORFF JODY L. JENSEN

Acknowledgements. Abstract Acquisition of skillfulness is not only characterized by a task-appropriate application of muscular forces but also by the ability to adapt performance to changing task demands. Previous research suggests that there is a different developmental schedule for adaptation at the kinematic compared to the neuro-muscular level. The purpose of this study was to determine how...

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