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相关概念视频

Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

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Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
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Three-Dimensional Force System01:30

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In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
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Two-Dimensional Force System01:20

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A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
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Kinetic Energy for a Rigid Body01:13

Kinetic Energy for a Rigid Body

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Imagine a solid object involved in a general planar movement, with its center of mass pinpointed at a spot labeled G. The object's kinetic energy relative to an arbitrary point A can be quantified for each of its particles - the ith particle in this case. This measurement is achieved through the employment of the relative velocity definition. The position vector, known as rA, extends from point A to the mass element i.
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Feedback control systems01:26

Feedback control systems

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Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
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Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

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A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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启动与停止:一个 PhysiCell 和 PhysiBoSS 2.0 的附加组件,用于交互式模拟控制.

Riccardo Smeriglio1, Roberta Bardini2, Alessandro Savino1

  • 1Department of Control and Computer Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129, Turin, TO, Italy.

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概括

计算生物学模拟现在可以交互式控制. 对于PhysiCell和PhysiBoSS 2.0来说,新的Start & Stop附加组件允许暂停,参数调整和恢复模拟,从而增强了动态协议探索.

关键词:
计算生物学是一种计算生物学.在状的中.建模建模模型是什么多个尺度的多个尺度.模拟模拟是为了模拟.

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科学领域:

  • 计算生物学是一种计算生物学.
  • 系统生物学 系统生物学
  • 生物信息学是一种生物信息学.

背景情况:

  • 在模拟器对于理解复杂的生物系统至关重要.
  • 像PhysiCell和PhysiBoSS 2.0这样的混合多级模拟器提供了深入的见解,但在模拟过程中缺乏交互式参数调整.
  • 这种限制限制了对生物制造和药物测试等应用的动态协议探索.

研究的目的:

  • 为了介绍PhysiCell和PhysiBoSS 2.0.0.的启动和停止附加组件.
  • 为了在正在进行的模拟中实现交互式参数调整.
  • 提高多层次生物模拟器的灵活性和用户互动.

主要方法:

  • 开发了具有多层次状态保存和多模式停止控制的Start & Stop附加组件.
  • 整合了附加组件与物理细胞和物理BoSS 2.0.0.
  • 使用两个已确定的PhysiBoSS 2.0用例验证了附加组件:TNF刺激的3T3小鼠纤维细胞和肺癌细胞入侵.

主要成果:

  • 启动和停止附加组件成功实现了基于时间或单元条件的暂停模拟.
  • 用户可以调整模拟参数并从确切的停止状态恢复,而不会改变原始行为.
  • 证明了模拟器行为的保存,并在验证用例中促进了适应性治疗策略的探索.

结论:

  • 启动和停止附加组件显著提高了PhysiCell和PhysiBoSS 2.0.0 的互动性.
  • 它弥合了模拟和真实世界体外场景之间的差距,使得更适应的协议开发成为可能.
  • 扩大了潜在模拟的范围,并在计算生物学中推进了有效的协议设计.