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Numerical method is presented by using singular value decomposition and an example is given.
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应用奇异值分解,给出了结构模型修正的数值方法,并进行了数值实验。 |
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Numerical results indicate that crowding clustering model is superior to both crowding model and deterministic crowding model in quantity, quality and accuracy of multi-optima searching.
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数值实例表明,拥挤聚类模型在多极值搜索的数量、质量和精度上都优于拥挤模型与确定性拥挤模型。 |
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Numerical results of four sensing waveguides with non-rectangular cross-section are given.
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并给出4种非矩形传感截面波导数值计算的例子。 |
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Numerical results show that for the data with either high or low signal to noise ratio (SNR), inversion solution depends weakly on regularization operators, while strongly upon regularization parameter.
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模拟表明,无论是高信噪比数据,还是低信噪比数据,反演的含水量在小正则化参数时,对模型约束的依赖性不大,主要受正则化参数影响。 |
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Numerical results show that the method can localize and quantify the damage in truss structures precisely.
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数值试验表明,该方法对桁架结构的损伤可进行精确的定位和标定。 |
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Numerical results show that the sliding structure using semi-active control not only has good vibration isolation effect, but also has less maximum slippage and less residual base displacement.
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对实例计算结果的分析表明,半主动控制下的滑移隔震结构不但具有较好的隔震效果,而且能有效地减小基底的最大滑移量及残馀位移。 |
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Numerical results showed that the post-buckling behavior of a functionally graded plate was different from that of homogenous plate, the gradients of material properties and the boundary conditions played an important role in analyzing post-buckling behav
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结果表明,功能梯度板的过屈曲行为与各向同性均匀板有很大区别,材料的梯度性质和边界条件都对其有重要影响。 |
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Numerical simulation and experimental study for injection molding and fiber orientation distribution of short fiber-thermoplastic polyure-thane elastomer composites were done.
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摘要对短纤维-聚氨酯弹性体复合材料的注射充模及纤维取向分布进行了数值模拟和实验研究。 |
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Numerical simulation as an effective method for determination of oil-gas reservoirs has been widely used to evaluate the effects of different development schemes on the ultimate recovery of reservoirs with different types, different crude oil and petrophy
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摘要数值模拟是确定油气藏采收率的有效方法,这一方法已广泛地应用来评价不同开发方式对不同类型、不同原油性质和储集层物性油藏最终采收率的影响,并定量给出不同开发方式下油藏的最终采收率。 |
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Numerical simulation by CFD was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation.It becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire sou
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运用CFD进行数字模拟,以了解纵向通风隧道内热烟气流的特性.通过模拟发现对火源进行模拟非常重要,热烟气流特性受火源位置的影响很大,并且对火源模拟方法很敏感.火源生成的火焰区是燃烧引起的化学反应区域.即使火源附近的木垛排列完好,也很难在考虑这些化学反应条件下模拟热生成区域.建议考虑纵向通风隧道内火焰形状并对它进行数字模拟.模拟结果与试验结果非常吻合.试验证明,在纵向通风隧道内,热烟气流从靠近墙体火源处顺风向隧道中心蔓延.数字模拟结果发现,火灾羽流造成的螺旋上升空气会在墙体和羽流之间形成一个涡流区. |
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Numerical simulation of the quasi-brittle fracture behaviors with the selected models was carried out at local constitutive level.
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在局部本构水平上,采用这些界面裂纹本构模型,对各种载荷工况下材料的准脆性断裂行为进行数值模拟。 |