Search for dissertations about: "arbitrary load"

Showing result 11 - 15 of 42 swedish dissertations containing the words arbitrary load.

  2. 11. On the inception of leakage : Effect of hydrostatic pressure on the sealing interface

    Author : De Huang; Andreas Almqvist; Roland Larsson; Xiang Yan; Alessandro Ruggiero; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; static seal; contact mechanics; hydrostatic; critical pressure; leakage; Maskinelement; Machine Elements;

    Abstract : As the move towards sustainability continues,  attention needs to be paid to the development of new machinery with high performance and low environmental impact. It places increasing demands on low/zero-emission sealing with a long lifetime. READ MORE

  4. 12. Shear and Torsion in Concrete Structures Non-linear Finte Element Analysis in Design and Assessment

    Author : Helén Broo; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; torsion; box-girder bridge; hollow core unit; hollow core floor; non-linear finite element analysis.; shear; prestressed concrete; Reinforced concrete;

    Abstract : For structural design and assessment of reinforced concrete members, non-linear finite element analysis has become an important tool. However, design and assessment of shear and torsion are still done with simplified analytical or empirical design methods. READ MORE

  5. 13. Topology optimization of non-linear, dissipative structures and materials

    Author : Niklas Ivarsson; Hållfasthetslära; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Topology optimization; Stiffness optimization; Finite strain; Rate-dependent plasticity; Discrete adjoint sensitivity analysis;

    Abstract : Topology optimization is a mathematical tool for finding optimal distributions of material phases within a design domain. It is commonly used in early design stages to generate conceptual structural layouts. Ultimately, designs generated by topology optimization consist of distinct material phases with enhanced performance. READ MORE

  6. 14. Topology Optimization for Additive Manufacturing Involving High-Cycle Fatigue

    Author : Shyam Suresh; Anders Klarbring; Stefan B Lindström; Carl-Johan Thore; Bo Torstenfelt; Reijo Kouhia; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Additive Manufacturing (AM) is gaining popularity in aerospace and automotive industries. This is a versatile manufacturing process, where highly complex structures are fabricated and together with topology optimization, a powerful design tool, it shares the property of providing a very large freedom in geometrical form. READ MORE

  7. 15. Electromagnetic Analysis of Hydroelectric Generators

    Author : Martin Ranlöf; Urban Lundin; Georg Traxler-Samek; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Contra-rotating rotors; damping torque; damper winding; finite element method; hydroelectric generators; permeance model; pole shoe shape; rotational losses; single machine infinite bus; slot ripple; synchronizing torque; synchronous machines; voltage waveform.; Engineering physics; Teknisk fysik; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Abstract : Hydropower maintains its position as the most important source of renewable electric energy in the world. The efficiency of large hydropower plants is unsurpassed, and after more than hundred years of development, the technology is mature and highly reliable. READ MORE