Analytical Mechanics for Spacecraft Dynamics from Coursera

This course is part 2 of the specialization Advanced Spacecraft Dynamics and Control. It assumes you have a strong foundation in spacecraft dynamics and control, including particle dynamics, rotating frame, rigid body kinematics and kinetics. The focus of the course is to understand key analytical mechanics methodologies to develop equations of motion in an algebraically efficient manner. The course starts by first developing D’Alembert’s principle and how the associated virtual work and virtual displacement concepts allows us to ignore non-working force terms. Unconstrained systems and holonomic constrains are investigated. Next Kane's equations and the virtual power form of D'Alembert's equations are briefly reviewed for particles.

Next Lagrange’s equations are developed which still assume a finite set of generalized coordinates, but can be applied to multiple rigid bodies as well. Lagrange multipliers are employed to apply Pfaffian constraints.

Finally, Hamilton’s extended principle is developed to allow us to consider a dynamical system with flexible components. Here there are an infinite number of degrees of freedom. The course focuses on how to develop spacecraft related partial differential equations, but does not study numerically solving them. The course ends comparing the presented assumed mode methods to classical final element solutions.

What's inside

Syllabus

Generalized Methods of Analytical Mechanics

Learn the methodology of developing equations of motion using D'Alembert's principle, virtual power forms, Lagrange's equations as well as the Boltzmann-Hamel equations. These methods allow for more efficient equations of motion development where state based (holonomic) and rate based (Pfaffian constraints) are considered.

Energy Based Equations of Motion

Derive methods to develop the equations of motion of a dynamical system with finite degrees of freedom based on energy expressions.

Variational Methods in Analytical Dynamics

Learn to develop the equations of motion for a dynamical system with deformable shapes. Such systems have infinite degrees of freedom and lead to partial differential equations.

Good to know

Know what's good

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Increases a learner's familiarity with modern equations of motion used in spacecraft dynamics and control

Provides a fresh perspective on how to develop equations of motion for systems composed of several rigid bodies in relative motion

Emphasizes developing equations of motion using D'Alembert's principle and Lagrange's equations

Assumes prior familiarity with classical mechanics, spacecraft dynamics, and control

Focuses on analytical methods rather than computational methods

Assumes familiarity with virtual work, virtual displacement, and Pfaffian constraints

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Analytical Mechanics for Spacecraft Dynamics with these activities:

Practice Calculus and Vector Analysis

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Sharpen essential mathematical skills in calculus and vector analysis to support course material comprehension.

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Review fundamental concepts and formulas
Solve practice problems to reinforce skills

Classical Mechanics

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Review the foundational principles of Classical Mechanics to prepare for the advanced material in this course.

View Classical Mechanics: Pearson New International... on Amazon

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Read Chapters 1-3 of the book
Solve practice problems at the end of each chapter

Organize Course Resources

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Stay organized and facilitate efficient learning by compiling course materials in one central location.

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Create a digital or physical folder for lecture notes, assignments, and other resources
Regularly review and update materials to enhance retention

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Apply D'Alembert's Principle

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Develop problem-solving skills in applying D'Alembert's Principle to analyze dynamic systems.

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Review the theory and equations of D'Alembert's Principle
Solve a variety of practice problems involving rigid body motion

Discuss Complex Problems in Study Groups

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Enhance critical thinking and problem-solving skills by engaging in peer-led discussions of challenging concepts.

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Form study groups with peers
Choose complex problems or case studies
Facilitate discussions and share insights

Develop a Lagrange's Equation Model

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Reinforce understanding of Lagrange's Equations by creating a model for a specific dynamical system.

Browse courses on Lagrange's Equations

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Identify the generalized coordinates and constraints for the system
Derive the Lagrangian and Lagrange's equations
Solve the equations of motion to obtain system dynamics

Explore Hamilton's Extended Principle

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Gain deeper insights into Hamilton's Extended Principle through guided tutorials and hands-on examples.

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Watch video tutorials or read articles on Hamilton's Extended Principle
Apply the principle to derive equations of motion for systems with flexible components

Career center

Learners who complete Analytical Mechanics for Spacecraft Dynamics will develop knowledge and skills that may be useful to these careers:

Aerospace Engineer

Aerospace Engineers apply the principles of aerodynamics, thermodynamics, propulsion, materials science, and structural analysis to design, develop, test, and operate aircraft, spacecraft, and missiles. This course will help build a foundation in spacecraft dynamics for Aerospace Engineers, which is a specialized field within aerospace engineering. The course's focus on analytical mechanics methodologies, such as D'Alembert's principle, Lagrange's equations, and Hamilton's extended principle, will provide Aerospace Engineers with the tools they need to develop equations of motion for complex spacecraft systems.

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Astronautical Engineer

Astronautical Engineers design, develop, and operate spacecraft and other space systems. This course will help build a foundation in spacecraft dynamics for Astronautical Engineers, which is essential for understanding the behavior of spacecraft in orbit and during maneuvers. The course's focus on analytical mechanics methodologies will provide Astronautical Engineers with the tools they need to develop equations of motion for complex spacecraft systems, which is critical for ensuring the safety and reliability of space missions.

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Control Systems Engineer

Control Systems Engineers design, develop, and maintain control systems for various applications, including aerospace, automotive, and robotics. This course will help build a foundation in spacecraft dynamics for Control Systems Engineers, which is essential for understanding the dynamic behavior of spacecraft and designing control systems to ensure stability and performance. The course's focus on analytical mechanics methodologies will provide Control Systems Engineers with the tools they need to develop mathematical models of spacecraft dynamics and design control systems that meet the required specifications.

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Mechanical Engineer

Mechanical Engineers design, develop, and maintain mechanical systems, including those used in aerospace, automotive, and manufacturing. This course may be useful for Mechanical Engineers who are interested in specializing in spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Mechanical Engineers with the tools they need to develop mathematical models of mechanical systems and analyze their dynamic behavior.

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Robotics Engineer

Robotics Engineers design, develop, and maintain robots and robotic systems. This course may be useful for Robotics Engineers who are interested in developing robots for space exploration or other applications that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Robotics Engineers with the tools they need to develop mathematical models of robotic systems and analyze their dynamic behavior.

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Systems Engineer

Systems Engineers design, develop, and maintain complex systems, including those used in aerospace, automotive, and healthcare. This course may be useful for Systems Engineers who are interested in specializing in spacecraft systems. The course's focus on analytical mechanics methodologies will provide Systems Engineers with the tools they need to develop mathematical models of complex systems and analyze their dynamic behavior.

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Physicist

Physicists study the fundamental laws of nature and apply them to understand the behavior of matter and energy. This course may be useful for Physicists who are interested in specializing in theoretical physics or astrophysics. The course's focus on analytical mechanics methodologies will provide Physicists with the tools they need to develop mathematical models of physical systems and analyze their dynamic behavior.

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Software Engineer

Software Engineers design, develop, and maintain software systems. This course may be useful for Software Engineers who are interested in developing software for spacecraft or other applications that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Software Engineers with the tools they need to develop mathematical models of software systems and analyze their dynamic behavior.

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Mathematician

Mathematicians develop and apply mathematical theories and techniques to solve problems in various fields, including physics, engineering, and finance. This course may be useful for Mathematicians who are interested in specializing in applied mathematics or mathematical physics. The course's focus on analytical mechanics methodologies will provide Mathematicians with the tools they need to develop mathematical models of complex systems and analyze their dynamic behavior.

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Operations Research Analyst

Operations Research Analysts develop and apply mathematical models and techniques to solve problems in various fields, including transportation, logistics, and manufacturing. This course may be useful for Operations Research Analysts who are interested in specializing in supply chain management or logistics. The course's focus on analytical mechanics methodologies will provide Operations Research Analysts with the tools they need to develop mathematical models of supply chains and analyze their dynamic behavior.

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Business Analyst

Business Analysts analyze business processes and make recommendations on how to improve them. This course may be useful for Business Analysts who are interested in specializing in business analytics for aerospace or other industries that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Business Analysts with the tools they need to develop mathematical models of business processes and analyze their dynamic behavior.

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Data Scientist

Data Scientists collect, analyze, and interpret data to help businesses make informed decisions. This course may be useful for Data Scientists who are interested in specializing in data science for aerospace or other applications that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Data Scientists with the tools they need to develop mathematical models of data and analyze their dynamic behavior.

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Financial Analyst

Financial Analysts analyze financial data and make recommendations on investments and financial planning. This course may be useful for Financial Analysts who are interested in specializing in quantitative finance or risk management. The course's focus on analytical mechanics methodologies will provide Financial Analysts with the tools they need to develop mathematical models of financial markets and analyze their dynamic behavior.

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Project Manager

Project Managers plan, execute, and control projects. This course may be useful for Project Managers who are interested in specializing in project management for aerospace or other industries that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Project Managers with the tools they need to develop mathematical models of projects and analyze their dynamic behavior.

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Technical Writer

Technical Writers create and maintain technical documentation, such as user manuals, white papers, and training materials. This course may be useful for Technical Writers who are interested in specializing in technical writing for aerospace or other industries that require an understanding of spacecraft dynamics. The course's focus on analytical mechanics methodologies will provide Technical Writers with the tools they need to understand and explain the complex concepts of spacecraft dynamics to a non-technical audience.

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Analytical Mechanics for Spacecraft Dynamics

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