نتایج جستجو برای: hammer software

تعداد نتایج: 440128  

Journal: :MATEC web of conferences 2021

The article considers the operation of excavators designed to mine hard or frozen soils. To reduce significant energy consumption, which characterizes process, active buckets equipped with special hammers are used. Minimizing consumption such can be achieved by optimally controlling their operating modes. Expressions for consumed a hammer, characteristics its head, modes, soil derived, minimum ...

2007
Federico Fontana

Recent research on Physical Modeling has led to 2{D discrete{time structures based on the Digital Waveguide. These structures are well suited for eecient yet accurate simulation of wave propagation in an ideal membrane. Nevertheless, real membranes often behave diierently than ideal ones, due to the material they are made of and to the eeects of the environmental conditions. In this work we con...

1995
Julius O. Smith Scott A. Van Duyne

The \commuted piano synthesis" algorithm is described, based on a simpli ed acoustic model of the piano. The model includes multiple coupled strings, a nonlinear hammer, and an arbitrarily large soundboard and enclosure. Simpli cations are employed which greatly reduce computational complexity. Most of the simpli cations are made possible by the commutativity of linear, time-invariant systems. ...

2010
Monique Guignard

Bounds on the optimal value of a convex 0-1 quadratic programming problem with linear constraints can be improved by a preprocessing step that adds to the quadratic objective function terms which are equal to 0 for all 0-1 feasible solutions yet increase its continuous minimum. The continuous and the CHR bounds are improved if one first uses Plateau’s QCR method (2005), or one of its predecesso...

Journal: :Vision research 1985
R M Hansen A A Skavenski

Two-dimensional eye movements were recorded while subjects used a hammer to strike targets that were flashed-on briefly before, during or up to 750 msec after a horizontal saccade. Mean position of hammer blows was 20 min arc (SD = 67 min arc) from the target when the only cue to target location was eye position. Position of responses varied slightly with time of target exposure relative to the...

2013
Jimmy Lin

Hadoop is currently the large-scale data analysis ‘‘hammer’’ of choice, but there exist classes of algorithms that aren’t ‘‘nails’’ in the sense that they are not particularly amenable to the MapReduce programming model. To address this, researchers have proposed MapReduce extensions or alternative programming models in which these algorithms can be elegantly expressed. This article espouses a ...

2010
M.Mirzaei M. Shakeri M. Seddighi S. E. Seyedi

In this article,the multiobjective optimization of cylindrical aluminum tubes under axial impact load is presented. Absorbed energy and specific absorb energy are considered as objective functions while the mean crush load should not exceed allowable limit.The geometric dimentions of tubes including diameter and length of tube are selected as the design variables.The Non-dominated sorting Genet...

1994
Brent Gillespie

The design of a virtual piano action composed of a keyboard of motorized keys and a realtime mechanical system simulation is presented. Using this simulator, we have re-created certain aspects of the feel of the grand piano by numerically integrating the equations of motion of a simpli ed piano action in real time in a human-in-the-loop simulation scheme. In this paper, the simulation of the re...

Journal: :Big data 2013
Jimmy J. Lin

Hadoop is currently the large-scale data analysis "hammer" of choice, but there exist classes of algorithms that aren't "nails" in the sense that they are not particularly amenable to the MapReduce programming model. To address this, researchers have proposed MapReduce extensions or alternative programming models in which these algorithms can be elegantly expressed. This article espouses a very...

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