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  • 1.
    Andersson, Håkan
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Mekanik och hållfasthetslära. Linköpings universitet, Tekniska fakulteten. Epiroc, Sweden.
    Simonsson, Kjell
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Mekanik och hållfasthetslära. Linköpings universitet, Tekniska fakulteten.
    Hilding, D.
    Dynamore Nord AB, Brigadgatan 5, S-58758 Linkoping, Sweden.
    Schill, M.
    Dynamore Nord AB, Brigadgatan 5, S-58758 Linkoping, Sweden.
    Sigfridsson, E.
    Epiroc, Sweden.
    Leidermark, Daniel
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Mekanik och hållfasthetslära. Linköpings universitet, Tekniska fakulteten.
    Validation of a co-simulation approach for hydraulic percussion units applied to a hydraulic hammer2019Inngår i: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 131, s. 102-115Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In this study, a previously developed co-simulation approach has been adopted to simulate the responses of an existing hydraulic hammer product. This approach is based on a 1D system model representing the fluid components and a 3D finite element model representing the structural parts of the hydraulic hammer. The simulation model was validated against four experiments with different running conditions. The corresponding set-ups were analysed using the co-simulation method in order to evaluate the overall responses. A parameter study was also performed involving the working pressure and the restrictor diameter, with the objective to validate that a parameter change in the simulation model will affect the input and output power in the same direction as in the experiments. The experimental responses used in the validation were time history data of fluid pressure, component position and acceleration, and structural stresses. The experiments result in high frequency and high amplitude excitations of the hydraulic hammer and thus require a model with a high resolution of the model dynamics. The conclusion of the validation is that the simulation model is able to replicate the experimental responses with high accuracy including the high frequency dynamics. The favourable outcome of the validation makes the described co-simulation approach promising as an efficient tool for a wide range of other applications where short time duration mechanisms need to be studied.

  • 2.
    Loyd, Dan
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för konstruktions- och produktionsteknik, Mekanisk värmeteori och strömningslära.
    Karlsson, Matts
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Biomedicinsk modellering och simulering.
    Erlandsson, B-E
    Ask, Per
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Fysiologisk mätteknik.
    Computer analysis of hyperthermia treatment of the prostate1997Inngår i: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 28, s. 347-351Artikkel i tidsskrift (Fagfellevurdert)
  • 3.
    Mackerle, Jaroslav
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Hållfasthetslära.
    Object-oriented programming in FEM and BEM: A bibliography (1990-2003)2004Inngår i: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 35, nr 6, s. 325-336Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper gives a bibliographical review of the object-oriented programming applied to the finite element method as well as to the boundary element method. The bibliography at the end of the paper contains references to papers, conference proceedings and theses/dissertations on the subject that were published between 1990 and 2003. The following topics are included: finite element method - object-oriented programming philosophy, mesh modelling, distributed/parallel processing, toolkits and libraries, object-oriented specific applications (aerospace, civil engineering/geomechanics, coupled problems, dynamical systems, electromagnetics, fracture mechanics and contact problems, material simulations/manufacturing, mechanical engineering, nonlinear structural simulations, optimization, others), boundary element method. Totally 408 references are listed. © 2004 Elsevier Ltd. All rights reserved.

  • 4.
    Tisell, C.
    et al.
    Department of Machine Design, Roy. Inst. of Technology, S-10044, Stockholm, Sweden.
    Orsborn, K.
    System for multibody analysis based on object-relational database technology2000Inngår i: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 31, nr 12, s. 971-984Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    An efficient support for computational technology and information management will be critical in future Engineering Information Systems (EIS). This paper shows how it is possible to provide efficient data management capabilities to the discipline of Multibody System (MBS) analysis. The MECHAMOS prototype of a MBS analysis tool has been developed that is based on an object-relational database management system, AMOS, which has been extended with additional mathematical functionality by the use of Matlab and MapleV as computational engines. The MBS model is represented as a database model in AMOS and the analysis is based on symbolic formulation of Kane's equations of motion. With this configuration, data is made fully accessible via the AMOSQL query language of AMOS. Furthermore, by providing the MBS application with general database technology, the data management will be more efficient in terms of handling large amounts of data and the development and maintenance of MBS analysis systems. Since MBS models are represented in a `neutral format', the reusability of these models increases and they will be more persistent to changes in the EIS environment.

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