339-0907/02 – Mechanics of Materials (PaP)

Gurantor departmentDepartment of Mechanics of MaterialsCredits10
Subject guarantorprof. Ing. Jiří Lenert, CSc.Subject version guarantorprof. Ing. Jiří Lenert, CSc.
Study levelpostgraduateRequirementChoice-compulsory
YearSemesterwinter + summer
Study languageCzech
Year of introduction2013/2014Year of cancellation2014/2015
Intended for the facultiesFSIntended for study typesDoctoral
Instruction secured by
LoginNameTuitorTeacher giving lectures
FRY72 doc. Ing. Karel Frydrýšek, Ph.D.
LEN30 prof. Ing. Jiří Lenert, CSc.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Examination 25+0
Combined Examination 25+0

Subject aims expressed by acquired skills and competences

Teach a students derive benefit from the newest knowledge of subject with possibility the knowledge further evolve and apply for complicated problems.

Teaching methods

Individual consultations
Project work

Summary

Vectors and Tensors. Physical components of tensors. Strain. Strain tensor, coordinate transformations for strains, principal strains, determination of planes of principal strains, principal strain invariants, maximum shear strains, Mohr circle representation, deviatoric strain tensor. Stress. Forces and stresses, coordinate transformations for stresses, principal stresses, determination of planes of principal stresses, principal stress invariants, maximum shear stresses, Mohr circle representation, deviatoric stress tensor. Elastic Solids. Constitutive equations for linear elastic solid, orthotropic material, isotropic material, plane strain, plane stress, virtual work and total potential energy, energy principles, complementary energy, boundary conditions. Linear Stress-Strain-Temperature Relations. General Theories. Differential equations of equilibrium, condition of compatibility, equations of equilibrium in terms of displacement, general solution for the displacements. Elementary Problems of Elasticity in three Dimensions. Twist of circular shafts of constant cross section, pure bending of a prismatic bars, pure bending of plates, torsion of a prismatic bars with non circle cross section, other elementary solution, membrane analogy, bending of a prismatic bars, stress function, shear centre, axially symmetrical stress distribution in a solid, circular cylinder, twist of circular ring, pure bending of a circular plates, thermal stresses. Selected Advanced Topics. Stress concentrations, stress concentration factors - theory of elasticity, stress concentration factor-combined loads, fracture mechanics, failure criteria, contact stresses, geometry of the contact surface, expressions for principal stresses, deflection of bodies in point of contact, stress for two bodies in line contact.

Compulsory literature:

HEARN,E.J.: Mechanics of Materials, Pergamon Press, 1985 BORESI,A.P.-SCHMIDT,R.J.-SIDEBOTTOM,O.M.: Advanced Mechanics of Materials, John Wiley & Sons,Inc., 1993

Recommended literature:

HEARN,E.J.: Mechanics of Materials, Pergamon Press, 1985 BORESI,A.P.-SCHMIDT,R.J.-SIDEBOTTOM,O.M.: Advanced Mechanics of Materials, John Wiley & Sons,Inc., 1993

Way of continuous check of knowledge in the course of semester

Příprava zadané problematiky v písemné formě.

E-learning

Další požadavky na studenta

The student prepare individual account on selected topic

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

stress tensor and deformation tensor components transform , the main component tensor , determine the principal planes , invariants of the stress tensor and deformation. Mohr circle for stress and strain . Physical elastomechaniky linear equations , orthotropic material , isotropic material , plane strain condition , the planar state stress , energy principles , work and potential energy , complementary energy , principle of virtual work , boundary conditions . Equilibrium equations, compatibility conditions , equilibrium equations in the components of displacements, the solution through folders of feeds . Some problems of planar and spatial elastomechaniky . Torsion bars having a constant circular cross-section , bend prismatic bars , center of shear , bending stress plates, twisting prismatic rods of non-circular cross-section , membrane analogy , voltage, stress distribution in the rotationally symmetrical bodies , the circular cylinder, rotating ring strain of rotationally symmetric plates , thermal stresses. basics komozitních mechanics of materials. Types of material, homogeneous, heterogeneous , inhomogeneous isotropic , anisotropic , orthotropic material , material response .

Conditions for subject completion

Combined form (validity from: 2013/2014 Winter semester, validity until: 2014/2015 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Examination Examination  
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2014/2015 (P2346) Mechanical Engineering (2301V001) Transport and Material Handling P Czech Ostrava Choice-compulsory study plan
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2014/2015 (P2301) Mechanical Engineering (2301V001) Transport and Material Handling K Czech Ostrava Choice-compulsory study plan
2014/2015 (P2301) Mechanical Engineering (2301V013) Robotics K Czech Ostrava Choice-compulsory study plan
2013/2014 (P2301) Mechanical Engineering (2301V001) Transport and Material Handling K Czech Ostrava Choice-compulsory study plan
2013/2014 (P2301) Mechanical Engineering (2301V013) Robotics P Czech Ostrava Choice-compulsory study plan
2013/2014 (P2301) Mechanical Engineering (2301V013) Robotics K Czech Ostrava Choice-compulsory study plan
2013/2014 (P2301) Mechanical Engineering (2301V001) Transport and Material Handling P Czech Ostrava Choice-compulsory study plan
2013/2014 (P2346) Mechanical Engineering (2301V001) Transport and Material Handling P Czech Ostrava Choice-compulsory study plan
2013/2014 (P2346) Mechanical Engineering (2301V001) Transport and Material Handling K Czech Ostrava Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner