Results 51 to 60 of about 191,392 (153)

Gauge-potential approach to the kinematics of a moving car

, 1997
A kinematics of the motion of a car is reformulated in terms of the theory of gauge potentials (connection on principal bundle).
A. Guichardet, A. Shapere, A. Shapere, A. Trautman, M. Fecko, M. Fecko, M. Fecko   +6 more
core   +1 more source

Analysis of Kinematic Characteristic of the Arc Cutting Reciprocating Saw based on Curve Face Gear Pair

Jixie chuandong, 2019
Aiming at the sawtooth cutting mechanism of traditional reciprocating saw, a new type of kinematic mechanism of arc cutting reciprocating saw with curve face gear pair is proposed.
Jinhan Xin, Chao Lin, Weishan Yan, Jialiang Liu, Chunjiang He   +4 more
doaj  

Model Construction and Parameter Optimization of a Eight-link Mechanism with Posture Transformation of Sitting and Lying

Jixie chuandong, 2018
Based on the principle of human engineering,the eight-link mechanism with posture transformation of sitting and lying is designed. In order to ensure the stability of the mechanism and obtain better practical performance,the optimization design of the ...
Liu Hua, Zhang Qiuju
doaj  

Stretching Semiflexible Polymer Chains: Evidence for the Importance of Excluded Volume Effects from Monte Carlo Simulation

, 2011
Semiflexible macromolecules in dilute solution under very good solvent conditions are modeled by self-avoiding walks on the simple cubic lattice ($d=3$ dimensions) and square lattice ($d=2$ dimensions), varying chain stiffness by an energy penalty ...
Cantor C. R., de Gennes P. G., Des Cloizeaux J., Flory P. J., Grosberg A. Yu., Hsiao-Ping Hsu, Kurt Binder, Rubinstein M., Treloar R. G., Volkenshtein M. V.   +9 more
core   +1 more source

Existence and Uniqueness of Stationary Solutions in 5-Dimensional Minimal Supergravity

, 2019
We study the problem of stationary bi-axially symmetric solutions of the $5$-dimensional minimal supergravity equations. Essentially all possible solutions with nondegenerate horizons are produced, having the allowed horizon cross-sectional topologies of
Alaee, Aghil, Khuri, Marcus, Kunduri, Hari   +2 more
core  

Coexistence and Phase Separation in Sheared Complex Fluids

, 1997
We demonstrate how to construct dynamic phase diagrams for complex fluids that undergo transitions under flow, in which the conserved composition variable and the broken-symmetry order parameter (nematic, smectic, crystalline, etc.) are coupled to shear ...
A. V. Bhave, A. W. El-Kareh, C. R. Safinya, D. Roux, F. Greco, G. Porte, H. Rehage, H. See, J. R. A. Pearson, J.-F. Berret, J.-F. Berret, M. Doi, M. Doi, M. E. Cates, M. E. Cates, M. E. Cates, M. Goulian, N. A. Spenley, N. A. Spenley, N. Kuzuu, P. A. Buinin, P. C. Hohenberg, P. D. Olmsted, P. G. de Gennes, P. T. Callaghan, S. Hess, T. C. B. McLeish, V. Schmitt, V. Schmitt, Y. Y. Renardy   +29 more
core   +1 more source

Research of an Improved Trajectory Planning Method for Industrial Robot

Jixie chuandong, 2019
An improved quintic polynomial interpolation method is proposed to solve the catastrophe phenomenon caused by the original method order in the course of solving the motion trajectory of the robot.
Qingbo Kong, Liang Yuan, Wei Jiang
doaj  

Synthesis of the cardioid crank slider mechanism with double working strokes

Jixie chuandong
ObjectiveIn order to obtain a slider mechanism with double working strokes and meet the double feeds demand of some automatic machine tools, a cardioid crank slider mechanism with double working strokes was obtained by using a planetary mechanism which ...
HOU Yujie, HAN Jiguang
doaj   +2 more sources

Fabrication of photovoltaic laser energy converterby MBE [PDF]

A laser-energy converter, fabricated by molecular beam epitaxy (MBE), was developed. This converter is a stack of vertical p-n junctions connected in series by low-resistivity, lattice matched CoSi2 layers to achieve a high conversion efficiency. Special
Chan, W. S., Lu, Hamilton, Wang, Scott
core   +1 more source

Tops and Writhing DNA

, 2010
The torsional elasticity of semiflexible polymers like DNA is of biological significance. A mathematical treatment of this problem was begun by Fuller using the relation between link, twist and writhe, but progress has been hindered by the non-local ...
A. Ghosh, A.E.H. Love, A.V. Vologodskii, B. Fain, C. Bouchiat, D. Swigon, F.B. Fuller, F.B. Fuller, G. Călugăreanu, G. Kirchoff, H. Goldstein, J. Cantarella, J. Marko, J. Moroz, J. Samuel, J. Samuel, J. White, J.D. Moroz, J.F. Marko, Joseph Samuel, M.A. Berger, M.V. Berry, N. Chouaieb, S. Forth, S. Neukirch, S. Sinha, Supurna Sinha, T.R. Strick, V. Rossetto, V. Rossetto   +29 more
core   +1 more source