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改进的鲸鱼优化算法在ELD上的应用（图）
电力系统经济负荷 自适应权重 随机变异策略 鲸鱼优化优化算法
2023/8/14
针对电力系统经济负荷分配这一典型的非凸、非线性、组合优化问题，提出一种将基于自适应权重更新策略和差分进化的随机变异策略的鲸鱼优化优化算法（ADWOA）相结合。该算法首先在鲸鱼优化算法中引入了自适应权重来提高WOA的搜索能力，使算法能够在早期执行精细的全局搜索，在后期执行精确的局部搜索，加速寻优算法的迭代，同时由于随机变异策略，会再次更新位置。然后从更新的结果中选择最优位置，以加速种群的收敛，并有效...
Non-linear modal interactions in the oscillations of a liquid drop in a gravitational "eld
Liquid drop Modal interactions Bifurcations
2015/8/27
Non-linear modal interactions in the dynamics of a vibrating drop are examined. The partial di!erential equations governing the drop vibrations are formulated assuming potential #ow and incompressibil...
Enhancing far-field thermal emission with thermal extraction
Enhancing thermal emission thermal extraction
2015/8/7
The control of thermal radiation is of great current importance for applications such as energy conversions and radiative cooling. Here we show theoretically that the thermal emission of a finit...
Effective magnetic field for photons based on the magneto-optical effect
Effective magnetic fi eld photons magneto-optical effect
2015/8/7
Effective magnetic field for photons based on the magneto-optical effect.
Ultrahigh-contrast and large-bandwidth thermal rectification in near-field electromagnetic thermal transfer between nanoparticles
Ultrahigh-contrast large-bandwidth thermal electromagnetic thermal transfer between nanoparticles
2015/8/7
We exploit the unique properties of optical waves in nanophotonic structures to enhance the capabilities for active control of electromagnetic thermal transfer at nanoscale. We show that the near-@...
Realizing effective magnetic field for photons by controlling the phase of dynamic modulation
effective magnetic photons controlling dynamic modulation
2015/8/7
The goal to achieve arbitrary control of photon flow has motivated much of the recent research on photonic crystals and metamaterials. As a new mechanism for controlling photon flow, we in...
Combining radiationless interference with evanescent field amplification
radiationless interference
2015/8/10
The conventional approach for radiationless interference exploits the interference of evanescent components for the purpose of deep-subwavelength focusing and image formation. As a result, deep subwav...
Yard and fi eld testing of a tapered OD coiled-tubing system
tapered outside diameter coiled tubing taper string coiled tubing
2009/5/6
The concept of a tapered outside diameter coiled tubing(TODCT) system was first presented in 20041). This paper laid out the basic requirements for a TODCT system and the advantages of the TODCT sys...
Example of oilfi eld technology developed in Japan and its trend
sonic scanner technology development logging history
2009/5/6
Sonic Scanner has been recently introduced to the market. This is the first 3D sonic logging tool developed in Japan. It measures sound slowness(1/velocity) of P and S wave along well axis, around we...
Spatial coherence of the thermal electromagnetic field in the vicinity of a dielectric slab
Spatial coherence thermal electromagnetic vicinity dielectric slab
2015/8/11
We present the analytic calculation of the cross-spectral density tensor of a thermally radiative planar dielectric slab in extreme near-field, intermediate near-field, and far-field...
Spatial coherence of the thermal electromagnetic field in the vicinity of a dielectric slab
Spatial coherence thermal electromagnetic vicinity dielectric slab
2015/8/10
We present the analytic calculation of the cross-spectral density tensor of a thermally radiative planar dielectric slab in extreme near-field, intermediate near-field, and far-field...
Near-field scanning optical microscopy as a simultaneous probe of fields and band structure of photonic crystals:A computational study
scanning optical microscopy band structure photonic crystals computational study
2015/8/12
We demonstrate the feasibility of employing near-field scanning optical microscopy ~NSOM!imaging to simultaneously obtain both the eigenfield distribution and the band-structure informatio...