Results 31 to 40 of about 14,930 (173)
Jianzhu Gangjiegou Jinzhan, 2012 以某大跨度非规则单层网壳为研究背景,应用ANSYS通用有限元分析软件对网壳结构进行了建模并重点模拟了风荷载、雪荷载、温度效应等多种非对称荷载作用,进行了静力分析、特征值屈曲分析以及非线性稳定分析。得到了网壳结构在15种典型荷载组合下的内力、位移结果,分析了非对称荷载对网壳结构静力性能的影响;考虑了几何非线性、材料非线性、初始缺陷,得到了网壳结构在非对称荷载作用下的稳定系数,分析了非对称荷载对网壳结构稳定性能的影响。强调指出非对称荷载作用在大跨度单层网壳结构设计中的重要性 ...
徐皓, 陈志华, 王彬
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT As a core component in the electrochemical water splitting system, the cathode catalyst is capable of boosting the kinetics of the hydrogen evolution reaction (HER), while the scarcity and expenditure of current noble metal‐based electrocatalysts seriously restrict the large‐scale commercial development of hydrogen manufacturing devices. Here,
Haiyan He +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Narrowband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) featuring low full‐width at half maximum (FWHM) and high conversion efficiency are crucial for chemical content evaluation, light therapy, and bioimaging.
Chunshen Li +4 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2019 单层网壳是近年来大型场馆的常用结构形式,具有结构轻薄、造型多变的特点。由于单层网壳平面外刚度小,因此其整体稳定性是结构设计需要考虑的关键问题。以实际工程案例为背景,研究了异形单层网壳结构的结构受力机制,对不同结构方案的挠度控制效果和经济指标进行了优化比选。采用ANSYS软件对优化完成后的网壳体系进行模态分析,考虑初始几何缺陷的双重非线性整体稳定分析,并分析了整体稳定性对几何缺陷的敏感度。一系列分析证明:通过加强体系的鲁棒性,可在降低用钢量的情况下,使结构稳定承载力仍满足设计要求。
桂堃, 隋晓
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Against the backdrop of global clean energy transition and surging demand for lithium resources, lithium extraction from salt lakes presents unprecedented development opportunities. Nanofiltration (NF) membrane technology, recognized for its efficiency, energy savings, and environmental benefits, demonstrates significant application potential ...
Wen‐Feng Li +5 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of high‐efficiency, stable, and scalable perovskite solar cells/perovskite solar modules (PSCs/PSMs) highly depends on the performance and cost‐effectiveness of functional layers such as electron transport layers (ETLs) and hole transport layers (HTLs).
Baochang Wang +11 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The growing concern over human health issues, driven by increasingly severe electromagnetic pollution from 5G communication, has made the urgent development of high‐performance electromagnetic wave (EMW) absorbing materials. Although carbide‐based materials are promising because of their conductive and polarization losses, existing single ...
Chenqiang Duan +9 more
wiley +1 more source
大连极地海洋动物馆屋盖的结构选型及锯齿状锥面网壳的静、动力特性分析
Jianzhu Gangjiegou Jinzhan, 2012 介绍了大连极地海洋动物馆屋盖结构体系及结构选型依据。其屋盖结构根据建筑造型及功能要求选用了双层网架、单层筒壳、单层球面网壳及锯齿状锥面网壳等4种空间结构体系。重点介绍了锯齿状锥面网壳结构构成;并采用大型通用有限元软件ANSYS对锯齿状锥面网壳部分进行了静力分析及几何非线性稳定分析,得到了此类结构的应力分布、位移分布等静力特性及稳定性能;对结构进行了模态分析,获得了其自振频率、振型等自振特性,为后续对结构进行动力分析提供了基础。结果表明,该结构设计符合规范要求,稳定性良好,适于建筑造型呈锯齿状 ...
陈志华, 白晶晶
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Plasma‐Boosted Bi2Mn4O10 Electrocatalysis Enables Real‐Time On‐Board Monitoring of CO2 in Exhaust
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Real‐time monitoring of CO2 concentration in automobile exhaust is critical for effective carbon emission reduction. However, the inherently inert nature of CO2 poses a significant challenge for achieving accurate and efficient detection in the exhaust automobile environment.
Aining Jiang +6 more
wiley +1 more source
Gaoya dianqi构网型光伏表现出电压源特性，对电网具有较强的适应性。文中以基于直流电压同步的构网型光伏为研究对象，建立了构网型光伏的阻抗小信号模型，通过阻抗分析研究了构网型光伏的稳定性。在稳定性分析基础上提出了基于直流电压前馈的构网型光伏稳定性优化控制策略，对比分析了改进的构网型光伏的稳定性。最后通过控制器硬件在环实验验证了文中所提控制策略的有效性和理论分析的正确性。
杨葆鑫 +5 more
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