نتایج جستجو برای: environment theory
تعداد نتایج: 1264016 فیلتر نتایج به سال:
In this paper, it is tried to find an approximate single layer equivalent for multi-layer graphene sheets based on third order non-local elasticity theory. The plates are embedded in two parameter Winkler-Pasternak elastic foundation, and also the thermal effects are considered. A uniform transverse load is imposed on the plates. Applying the non-local theory of Eringen based on third order she...
Different sensory stimuli, such as light, color, smell, sound and texture, play an important role in perceiving the quality of an environment. Heat, like other sensory stimuli, can contribute to the richness of an environment and provide a greater benefit to people. The fact that a person in addition to the thermal comfort of a particular environment can also benefit from its thermal quality, i...
We consider the task of a robot learning in a reactive environment by performing experiments. A reactive environment is one where changes occur in response to actions. Actors other than the learner may be present in the world. The robot performs experiments by modifying the environment and observing the outcome. These observations lead to a collection of concepts that constitute a theory of the...
Considering the improvment of technology and development in medical and basic medical science. Continuation of learning in community are necessary. The method is to create a cooperative learning environment for students. Students support in exprience, past information about subject reaction and holistic theory and practice helping notice, problem based learning bridge between theory and practic...
Nowadays most of the day today services we receive are based upon computer systems. Services such as information searching or online shopping are considered among the most frequent online information systems' services. Users assess and process the information they receive from information systems. The theory of mind information processing asserts that humans process and analyze the information ...
Fabrication, characterization and application of micro-/nano-rods/wires are among the hottest topics in materials science and applied physics. Micro-/nano-rod-based structures and devices are developed for a wide-ranging use in various fields of micro-/nanoscience (e.g. biology, electronics, medicine, optics, optoelectronics, photonics and sensors). It is well known that the structure and prope...
Third order shear deformation theory of cylindrical shells is employed to investigate the vibration characteristics of non-homogeneous cylindrical shells surrounded by an elastic medium. The kinematic relations are obtained using the strain-displacement relations of Donnell shell theory. The shell properties are considered to be dependent on both position and thermal environment. A suitable fun...
In this paper, vibration analysis of rotary tapered axially functionally graded (AFG) Timoshenko nanobeam is investigated in a thermal environment based on nonlocal theory. The governing equations of motion and the related boundary conditions are derived by means of Hamilton’s principle based on the first order shear deformation theory of beams. The solution method is considered using generaliz...
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