Free Vibrations of Particles. Simple Harmonic Motion

فهرست عناوین اصلی در این پاورپوینت

فهرست عناوین اصلی در این پاورپوینت

● Contents
● Introduction
● Free Vibrations of Particles. Simple Harmonic Motion
● Simple Pendulum (Approximate Solution)
● Simple Pendulum (Exact Solution)
● Concept Question
● Sample Problem 19.1
● Free Vibrations of Rigid Bodies
● Sample Problem 19.2
● Sample Problem 19.3
● Group Problem Solving
● Concept Question
● Principle of Conservation of Energy
● Sample Problem 19.4
● Forced Vibrations
● Concept Question
● Sample Problem 19.5
● Damped Free Vibrations
● Concept Question
● Damped Forced Vibrations
● Group Problem Solving
● Concept Question
● Electrical Analogues

نوع زبان: انگلیسی حجم: 3.33 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 47 صفحه
سطح مطلب: نامشخص پسوند فایل: ppt
گروه موضوعی: زمان استخراج مطلب: 2019/06/05 09:13:38

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عبارات مهم استفاده شده در این مطلب

عبارات مهم استفاده شده در این مطلب

., vibration, mechanic, dynamics, inc., ۱۳, mcgraw, rights, vector, hill, tenth, edition,

توجه: این مطلب در تاریخ 2019/06/05 09:13:38 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

http://cecs.wright.edu/people/faculty/sthomas/dynamics19lecture.ppt

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عبارات پرتکرار و مهم در این اسلاید عبارتند از: ., vibration, mechanic, dynamics, inc., ۱۳, mcgraw, rights, vector, hill, tenth, edition,

مشاهده محتوای متنیِ این اسلاید ppt

مشاهده محتوای متنیِ این اسلاید ppt

vector mechanics for engineers dynamics tenth edition ferdinand p. beer e. russell johnston jr. phillip j. cornwell lecture notes brian p. self california polytechnic state university chapter ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. ۱۹ mechanical vibrations ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition contents ۱۹ introduction free vibrations of particles. simple harmonic motion simple pendulum approximate solution simple pendulum exact solution sample problem ۱۹.۱ free vibrations of rigid bodies sample problem ۱۹.۲ sample problem ۱۹.۳ principle of conservation of energy sample problem ۱۹.۴ forced vibrations sample problem ۱۹.۵ damped free vibrations damped forced vibrations electrical analogues ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition ۲ because running in the international space station might cause unwanted vibrations they have installed a treadmill vibration isolation system. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition introduction ۱۹ mechanical vibration is the motion of a particle or body which oscillates about a position of equilibrium. most vibrations in machines and structures are undesirable due to increased stresses and energy losses. time interval required for a system to complete a full cycle of the motion is the period of the vibration. number of cycles per unit time defines the frequency of the vibrations. maximum displacement of the system from the equilibrium position is the amplitude of the vibration. when the motion is maintained by the restoring forces only the vibration is described as free vibration. when a periodic force is applied to the system the motion is described as forced vibration. when the frictional dissipation of energy is neglected the motion is said to be undamped. actually all vibrations are damped to some degree. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition free vibrations of particles. simple harmonic motion ۱۹ x is a periodic function and wn is the natural circular frequency of the motion. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition free vibrations of particles. simple harmonic motion ۱۹ ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition free vibrations of particles. simple harmonic motion ۱۹ ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition simple pendulum approximate solution ۱۹ results obtained for the spring mass system can be applied whenever the resultant force on a particle is proportional to the displacement and directed towards the equilibrium position. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition simple pendulum exact solution ۱۹ ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition concept question ۲ the amplitude of a vibrating system is shown to the right. which of the following statements is true choose one the amplitude of the acceleration equals the amplitude of the displacement the amplitude of the velocity is always opposite negative to the amplitude of the displacement the maximum displacement occurs when the acceleration amplitude is a minimum the phase angle of the vibration shown is zero ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۱ ۱۹ a ۵ kg block moves between vertical guides as shown. the block is pulled ۴ mm down from its equilibrium position and released. for each spring arrangement determine a the period of the vibration b the maximum velocity of the block and c the maximum acceleration of the block. solution for each spring arrangement determine the spring constant for a single equivalent spring. apply the approximate relations for the harmonic motion of a spring mass system. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۱ ۱۹ solution springs in parallel determine the spring constant for equivalent spring ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۱ ۱۹ springs in series determine the spring constant for equivalent spring ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition free vibrations of rigid bodies ۱۹ analysis objective is to determine wn. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۲ ۱۹ a cylinder of weight w is suspended as shown. determine the period and natural frequency of vibrations of the cylinder. solution from the kinematics of the system relate the linear displacement and acceleration to the rotation of the cylinder. based on a free body diagram equation for the equivalence of the external and effective forces write the equation of motion. substitute the kinematic relations to arrive at an equation involving only the angular displacement and acceleration. ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۲ ۱۹ ۲ ۱۳ the mcgraw hill companies inc. all rights reserved. vector mechanics for engineers dynamics tenth edition sample problem ۱۹.۳ ۱۹ the disk and gear undergo torsional vibration with the periods shown. assume that the moment exerted by the wire is proportional to the twist angle. determine a the wire torsional spring constant b the centroidal moment of inertia of the gear and c the maximum angular velocity of the gear if rotated through ۹ o and released. solution using the free body diagram equation for the equivalence of the external and effective moments write the equation of motion for the disk gear and wire. with the natural frequency and moment of inertia for the disk known calculate the torsional spring constant. with natural frequency and spring constant known calculate the moment …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: ., vibration, mechanic, dynamics, inc., ۱۳, mcgraw, rights, vector, hill, tenth, edition,

این فایل پاورپوینت شامل 47 اسلاید و به زبان انگلیسی و حجم آن 3.33 مگا بایت است. نوع قالب فایل ppt بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/06/05 09:13:38 استخراج شده است.

http://cecs.wright.edu/people/faculty/sthomas/dynamics19lecture.ppt

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