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	<title>工程&amp;仿真 &#8211; anopos</title>
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	<description>人生就是选择，选择的关键在于认识自我。</description>
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	<title>工程&amp;仿真 &#8211; anopos</title>
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	<item>
		<title>PrePoMax &#8211; 开源CAE软件</title>
		<link>https://www.anopos.com/prepomax/</link>
					<comments>https://www.anopos.com/prepomax/#respond</comments>
		
		<dc:creator><![CDATA[anopos]]></dc:creator>
		<pubDate>Thu, 18 Sep 2025 07:56:14 +0000</pubDate>
				<category><![CDATA[工程&仿真]]></category>
		<guid isPermaLink="false">https://www.anopos.com/?p=949</guid>

					<description><![CDATA[PrePoMax 是 Calculix FEM 求解器的开源预处理器和后处理器，基于现代用户界面，可加快 FE [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">PrePoMax 是 Calculix FEM 求解器的开源预处理器和后处理器，基于现代用户界面，可加快 FEM 工作流程。</p>



<figure class="wp-block-image size-full"><img fetchpriority="high" decoding="async" width="1024" height="574" src="https://www.anopos.com/up/PrePoMax-1.png" alt="PrePoMax" class="wp-image-952" srcset="https://www.anopos.com/up/PrePoMax-1.png 1024w, https://www.anopos.com/up/PrePoMax-1-300x168.png 300w, https://www.anopos.com/up/PrePoMax-1-150x84.png 150w, https://www.anopos.com/up/PrePoMax-1-768x431.png 768w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">CAD 几何支持<br>PrePoMax 允许您从各种可交换的 CAD 格式和用于 3D 打印的立体光刻 .stl 文件中导入几何体。CAD 支持基于开源 Open Cascade 平台。</p>



<p class="wp-block-paragraph">实体和壳体几何网格划分<br>PrePoMax 允许您使用线性和抛物线有限元对实体或基于壳的几何体进行网格划分。它还支持从文件导入有限元网格。开源 Netgen 库执行网格划分。从 2.0.0 版本开始，集成了 Gmsh 网格划分器，支持六面体和五面体网格划分。</p>



<p class="wp-block-paragraph">几何和基于网格的特征定义<br>PrePoMax 允许您根据几何或有限元网格选择创建各种 FEM 特征所需的节点集、单元集和曲面。</p>



<p class="wp-block-paragraph">结果可视化<br>PrePoMax 允许您使用带有动画的 3D 标量场和使用 2D 绘图工具来表示历史输出来可视化结果。</p>



<p class="wp-block-paragraph">PrePoMax is an open-source pre and post-processor for the Calculix FEM solver based on a modern user interface to speed up the FEM workflow.</p>



<p class="wp-block-paragraph">PrePoMax contains many features needed to prepare, solve and post-process different FEM models. An overview of the most important features is listed below.</p>



<p class="wp-block-paragraph"><strong>Analysis types</strong><br>Static linear analysis<br>Static nonlinear analysis with geometric, material and contact nonlinearities<br>Slip wear analysis<br>Frequency analysis<br>Buckling analysis<br>Modal dynamic analysis<br>Steady state dynamic analysis<br>Explicit/implicit dynamic analysis<br>Heat transfer analysis<br>Uncoupled temperature-displacement analysis<br>Coupled temperature-displacement analysis</p>



<p class="wp-block-paragraph"><strong>Geometry based mesh creation</strong><br>Shell CAD parts – triangular and quadrilateral shell elements<br>Shell .stl parts – triangular and quadrilateral shell elements<br>Solid CAD parts – tetrahedral, pentahedral, and hexahedral solid elements<br>Solid .stl parts – tetrahedral, pentahedral, and hexahedral solid elements<br>Mesh refinement is possible for all mesh types, defined based on a vertex, an edge, or a surface<br>Gears<br><strong>Finite element types</strong><br>Linear and parabolic triangular shell element (Calculix implementation)<br>Linear and parabolic quadrilateral shell element (Calculix implementation)<br>Linear and parabolic tetrahedral solid element<br>Linear and parabolic pentahedral solid element<br>Linear and parabolic hexahedral solid element<br><strong>Assembly connections</strong><br>Spring constraint<br>Compression-only constraint<br>Rigid connection using a reference point<br>Tied connection<br>Contact with friction<br><strong>Material models</strong><br>Built-in editable material library<br>Linear-elastic material model (temperature dependent)<br>Elasto-plastic material model with isotropic or kinematic hardening (temperature dependent)</p>



<figure class="wp-block-image size-full"><img decoding="async" width="983" height="566" src="https://www.anopos.com/up/Gripper_small1.gif" alt="" class="wp-image-955"/></figure>



<p class="has-gradient-1-gradient-background has-background wp-block-paragraph">官方网站：<a href="https://prepomax.fs.um.si/">https://prepomax.fs.um.si/</a><br>运行平台：Windows<br>界面语言：English<br>Download：<a href="https://prepomax.fs.um.si/downloads/">下载页面</a>；<a href="https://prepomax.fs.um.si/Files/Downloads/PrePoMax%20v2.3.9%20dev.zip">PrePoMax version v2.3.9 dev</a> – 8th August 2025</p>
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			</item>
		<item>
		<title>FreeCAD &#8211; 开源三维参数化建模软件</title>
		<link>https://www.anopos.com/freecad/</link>
					<comments>https://www.anopos.com/freecad/#respond</comments>
		
		<dc:creator><![CDATA[anopos]]></dc:creator>
		<pubDate>Mon, 15 Sep 2025 01:49:58 +0000</pubDate>
				<category><![CDATA[图形设计]]></category>
		<category><![CDATA[工程&仿真]]></category>
		<guid isPermaLink="false">https://www.anopos.com/?p=943</guid>

					<description><![CDATA[FreeCAD 主要为真实世界设计物件。 您在 FreeCAD 中做的一切都使用真实世界的 度量单位， 例如微 [&#8230;]]]></description>
										<content:encoded><![CDATA[
<figure class="wp-block-image alignleft size-full"><img decoding="async" width="140" height="40" src="https://www.anopos.com/up/logo-freecad.png" alt="" class="wp-image-946"/></figure>



<p class="wp-block-paragraph">FreeCAD 主要为真实世界设计物件。 您在 FreeCAD 中做的一切都使用真实世界的 度量单位， 例如微米、千米、英寸或英尺，或其它任何单位组合。 FreeCAD 提供了 <a href="https://wiki.freecad.org/Workbenches">工具</a>， 您可以创作、导出和编辑固态、全精度的模型，也可以将模型导出用于3D打印或CNC加工， 还可以创建模型的2D图纸和视图， 执行诸如有限元分析等类型的分析，此外还能导出模型数据，例如数量或物料清单。</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="963" height="580" src="https://www.anopos.com/up/freecad-cover-photo.png" alt="freecad-cover-photo" class="wp-image-947" srcset="https://www.anopos.com/up/freecad-cover-photo.png 963w, https://www.anopos.com/up/freecad-cover-photo-300x181.png 300w, https://www.anopos.com/up/freecad-cover-photo-150x90.png 150w, https://www.anopos.com/up/freecad-cover-photo-768x463.png 768w" sizes="auto, (max-width: 963px) 100vw, 963px" /><figcaption class="wp-element-caption">freecad-cover-photo</figcaption></figure>



<p class="has-background wp-block-paragraph" style="background:linear-gradient(0deg,rgb(185,250,201) 0%,rgb(235,235,239) 100%)">官方网站：<a href="https://www.freecad.org/">www.freecad.org</a><br>运行平台：Windows、Mac、Linux<br>界面语言：多国语言<br>Download：<a href="https://www.freecad.org/downloads.php?lang=zh_CN">下载页面</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-Windows-x86_64-installer-1.exe">/FreeCAD_1.0.2-conda-Windows-x86_64-installer-1.exe</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-Windows-x86_64-py311.7z">/FreeCAD_1.0.2-conda-Windows-x86_64-py311.7z</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-macOS-arm64-py311.dmg">/FreeCAD_1.0.2-conda-macOS-arm64-py311.dmg</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-macOS-x86_64-py311.dmg">/FreeCAD_1.0.2-conda-macOS-x86_64-py311.dmg</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-Linux-x86_64-py311.AppImage">/FreeCAD_1.0.2-conda-Linux-x86_64-py311.AppImage</a>；<br><a href="https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-Linux-aarch64-py311.AppImage">/FreeCAD_1.0.2-conda-Linux-aarch64-py311.AppImage</a></p>



<p class="wp-block-paragraph"></p>
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			</item>
		<item>
		<title>Hopsan &#8211; 流体系统的免费模拟环境</title>
		<link>https://www.anopos.com/hopsan/</link>
					<comments>https://www.anopos.com/hopsan/#respond</comments>
		
		<dc:creator><![CDATA[anopos]]></dc:creator>
		<pubDate>Wed, 10 Sep 2025 01:21:14 +0000</pubDate>
				<category><![CDATA[工程&仿真]]></category>
		<guid isPermaLink="false">https://www.anopos.com/?p=887</guid>

					<description><![CDATA[这是&#160;一个免费的开源模拟和建模应用程序，用于&#160;机电系统&#160;和流体能量&#160;可 [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">这是&nbsp;<strong>一个免费的开源模拟和建模应用程序，用于&nbsp;<a href="https://es.wikipedia.org/wiki/Ingenier%C3%ADa_mecatr%C3%B3nica" target="_blank" rel="noreferrer noopener">机电系统</a>&nbsp;和流体能量</strong>&nbsp;可用于 Gnu/Linux 和 Windows。</p>



<p class="wp-block-paragraph">Hopsan 是一个开源的多域系统仿真工具。 一直&nbsp;<strong>由林雪平大学机电和流体系统部门开发</strong>，它是在 Apache 2.0 版许可下发布的。</p>



<p class="wp-block-paragraph">最初这个程序是为模拟流体能量系统而开发的，但也<strong>&nbsp;已经扩展，支持其他领域，如电气、机械、飞行动力学和车辆动力</strong>. Hopsan 使用双向延迟线（<em>或 TLM 传输线元件</em>) 来连接物理组件模型，但它还支持使用常用数学函数和运算符进行信号流建模。</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="576" src="https://www.anopos.com/up/Hopsan-1024x576.png" alt="A load sensing hydraulic servo system with two actuators modelled in Hopsan" class="wp-image-888" srcset="https://www.anopos.com/up/Hopsan-1024x576.png 1024w, https://www.anopos.com/up/Hopsan-300x169.png 300w, https://www.anopos.com/up/Hopsan-150x84.png 150w, https://www.anopos.com/up/Hopsan-768x432.png 768w, https://www.anopos.com/up/Hopsan.png 1180w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



<p class="wp-block-paragraph">Hopsan is an open-source multi-domain system simulation tool developed at the division of Fluid and Mechatronic Systems at Linköping University. Hopsan is developed by a group of coworkers at the division, all with varying levels of knowledge in programming, modeling, simulation and hydraulics.</p>



<p class="wp-block-paragraph">Development first began in the late 1970’s, and it has played an important role in education and research projects and over time.</p>



<p class="wp-block-paragraph">In 2009, development began of a new object-oriented simulation platform written in C++. There is a strong focus on multi-core support and tool interoperability. This version is available under the GPL open source license.</p>



<p class="wp-block-paragraph">Hopsan was the first system simulation tool with built-in support for multi-core simulation. It is also the only simulation software that is built around the transmission line modelling (TLM) technique (or bi-directional delay lines). With this method, models can be automatically partitioned by introducing physically motivated time delays between components. Each part of the model can then be solved independently during each time step. This improves simulation performance, numerical robustness and model scalability makes the simulation very robust and fast, and provides a natural mechanism for parallel simulation.</p>



<h2 class="wp-block-heading" id="h-feautures-include">Feautures include</h2>



<ul class="wp-block-list">
<li>Multi-core support for faster simulations</li>



<li>Model export/import using Functional Mock-Up Interface (FMI)</li>



<li>Model export to Matlab/Simulink</li>



<li>Plot data export to CSV, XML, Gnuplot &amp; Matlab</li>



<li>Creating models from Modelica and C++</li>
</ul>



<ul class="wp-block-list">
<li>Interactive &amp; replay animations</li>



<li>Numerical optimization</li>



<li>Sensitivity analysis</li>



<li>Frequency-domain analysis</li>



<li>Energy losses calculations</li>



<li>Scripting using HCOM or Python</li>
</ul>



<p class="wp-block-paragraph">该程序的某些功能包括：</p>



<p class="wp-block-paragraph">它有一个 中央模拟库.<br>命令行应用程序，通过它我们可以自动化批量模拟。<br>多核支持 为了更快的模拟。<br>模型的导出/导入 使用模型的功能接口。<br>它将使我们能够 将模型导出到 MATLAB /Simulink.<br>合山跑步</p>



<p class="wp-block-paragraph">数据导出为格式 CSV、XML、Gnuplot、HDF5 和 Matlab.<br>我们可以 从 Modelica 和 C++ 创建模型.<br>我们将有 交互和播放动画.<br>数值优化.<br>灵敏度和频域分析.<br>可以做 能量损失计算.<br>脚本 使用 HCOM 或 Python<br>这些只是该程序的某些功能。 可 从中详细咨询所有这些 GitHub上的存储库 项目的.</p>



<p class="has-background wp-block-paragraph" style="background:linear-gradient(180deg,rgb(202,224,218) 0%,rgb(235,235,239) 100%)">官方网站：<a href="https://liu.se/en/research/hopsan">Hopsan &#8211; Linköping University</a><br>运行平台：Windows, Ubuntu and Debian<br>界面语言：English<br>Download：<a href="https://github.com/Hopsan/hopsan/releases">https://github.com/Hopsan/hopsan/releases</a>；<br><strong>User Manual and tutorials</strong><br><a href="https://hopsan.github.io/documentation/">User manual</a>；<a href="https://hopsan.github.io/tutorials/">Tutorials</a></p>



<p class="wp-block-paragraph"></p>
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		<item>
		<title>KiCad EDA &#8211; 跨平台开源电子设计自动化套件</title>
		<link>https://www.anopos.com/kicad/</link>
					<comments>https://www.anopos.com/kicad/#respond</comments>
		
		<dc:creator><![CDATA[anopos]]></dc:creator>
		<pubDate>Sat, 10 Aug 2024 06:35:16 +0000</pubDate>
				<category><![CDATA[图形设计]]></category>
		<category><![CDATA[工程&仿真]]></category>
		<guid isPermaLink="false">https://www.anopos.com/?p=718</guid>

					<description><![CDATA[KiCad 是一个免费和开源的电子设计自动化（EDA）套件。它具有原理图捕获、集成电路模拟、印刷电路板（PCB [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">KiCad 是一个免费和开源的电子设计自动化（EDA）套件。它具有原理图捕获、集成电路模拟、印刷电路板（PCB）布局、3D 渲染和绘图/数据导出等多种格式。KiCad 还包括一个高质量的元件库，其中有成千上万的符号、封装和 3D 模型。KiCad 对系统要求最低，可在 Linux、Windows 和 macOS 上运行。</p>



<p class="wp-block-paragraph">KiCad is a free and open-source electronics design automation (EDA) suite. It features schematic capture, integrated circuit simulation, printed circuit board (PCB) layout, 3D rendering, and plotting/data export to numerous formats. KiCad also includes a high-quality component library featuring thousands of symbols, footprints, and 3D models. KiCad has minimal system requirements and runs on Linux, Windows, and macOS.</p>



<h3 class="wp-block-heading" id="kicad-programs">KiCad 组件<a href="https://docs.kicad.org/8.0/zh/introduction/introduction.html#kicad-programs"></a></h3>



<p class="wp-block-paragraph">KiCad 由许多不同的软件组件组成，其中一些集成在一起以促进 PCB 设计工作流程，另一些则是独立的。 在 KiCad 的早期版本中，各软件组件之间的集成度很低。 例如，原理图编辑器（历史上称为 Eeschema）和 PCB 编辑器（历史上称为 PcbNew）是独立的应用程序，没有直接的联系，为了根据原理图创建 PCB，用户必须在 Eeschema 中生成一个网表文件，然后在 PcbNew 中读取这个网表文件。 在现代版本的 KiCad 中，原理图和 PCB 编辑器被集成到 KiCad 工程管理器中，使用网表文件不再是必需的。 许多教程仍然存在参考旧的 KiCad 工作流程的独立应用程序和网表文件，所以在查看教程和其他文档时，一定要检查正在使用的版本。</p>



<p class="wp-block-paragraph">主要的 KiCad 组件通常从 KiCad 工程管理器窗口中的启动器按钮启动。 这些组件包括：</p>



<figure class="wp-block-table"><table class="has-fixed-layout"><thead><tr><th>组件名称</th><th>描述</th></tr></thead><tbody><tr><td>原理图编辑器</td><td>创建和编辑原理图；用 SPICE 模拟电路；生成 BOM 文件</td></tr><tr><td>符号编辑器</td><td>创建和编辑原理图符号并管理符号库</td></tr><tr><td>PCB 编辑器</td><td>创建和编辑 PCB，输出 2D 和 3D 文件，生成制造输出文件</td></tr><tr><td>封装编辑器</td><td>创建和编辑 PCB 元件封装并管理封装库</td></tr><tr><td>Gerber 查看器</td><td>Gerber 和钻孔文件查看器</td></tr><tr><td>Bitmap2Component</td><td>将位图图像转换为符号或封装</td></tr><tr><td>PCB 计算器</td><td>元件、布线宽度、电气间距、色环等的计算器。</td></tr><tr><td>图框编辑器</td><td>创建和编辑图框文件</td></tr></tbody></table></figure>



<h3 class="wp-block-heading" id="ui-overview">用户界面</h3>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="600" height="337" src="https://www.anopos.com/up/kicad_eeschema.png" alt="" class="wp-image-722" srcset="https://www.anopos.com/up/kicad_eeschema.png 600w, https://www.anopos.com/up/kicad_eeschema-300x169.png 300w, https://www.anopos.com/up/kicad_eeschema-150x84.png 150w" sizes="auto, (max-width: 600px) 100vw, 600px" /></figure>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="600" height="337" src="https://www.anopos.com/up/kicad_pcbnew.png" alt="" class="wp-image-723" srcset="https://www.anopos.com/up/kicad_pcbnew.png 600w, https://www.anopos.com/up/kicad_pcbnew-300x169.png 300w, https://www.anopos.com/up/kicad_pcbnew-150x84.png 150w" sizes="auto, (max-width: 600px) 100vw, 600px" /></figure>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="600" height="337" src="https://www.anopos.com/up/kicad_3dviewer.png" alt="" class="wp-image-721" srcset="https://www.anopos.com/up/kicad_3dviewer.png 600w, https://www.anopos.com/up/kicad_3dviewer-300x169.png 300w, https://www.anopos.com/up/kicad_3dviewer-150x84.png 150w" sizes="auto, (max-width: 600px) 100vw, 600px" /></figure>



<p class="wp-block-paragraph">官方网站：<a href="https://www.kicad.org/">KiCad EDA &#8211; Schematic Capture &amp; PCB Design Software</a><br>运行平台： Linux、Windows 、macOS <br>界面语言：多国语言（含中文）<br>官方下载：<a href="https://www.kicad.org/download/" target="_blank" rel="noreferrer noopener">Download | KiCad EDA</a><br>国内下载镜像：<br><a href="https://mirrors.aliyun.com/kicad/">kicad安装包下载_开源镜像站-阿里云 (aliyun.com)</a>；<br><a href="https://mirrors.cqu.edu.cn/kicad/">重庆大学开源软件镜像站 (cqu.edu.cn)</a>；<br><a href="https://mirror.tuna.tsinghua.edu.cn/kicad/">kicad/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror</a>；</p>



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