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    The program ModeStXR was designed specially for MC simulation of industrial radiation processes and calculation of the absorbed dose distribution within products irradiated by stationary or scanned X-ray (bremsstrahlung) beams on industrial radiation facility that is based on the pulsed or continuous type of electron accelerators in the energy range from 0.1 to 50 MeV. Irradiated product is represented in form of stack of plates located into container. The stack of plates can be interleaved with dosimetric films.

    Developed software can be used for the following problem tasks in radiation processing:

    1. Optimization of the X-ray converter construction.

    2. Determination of dependence of an absorbed dose distribution in a layer as function of:

    • X-ray energy spectrum of X-ray converter;

    • density and a chemical composition of layer material;

    • width and thickness of a layer;

    • geometrical arrangement of a layer in a stack;

    • density and a chemical composition of a stack layer materials;

    • geometrical sizes of a stack;

    • orientation angle of a stack relatively to incident electron beam.

    3. Examination of dependence of an absorbed dose distribution in a layer as function of:

    • energy of incident EB;

    • EB current;

    • speed of a conveyer motion;
    • angular distribution of electrons in a beam;

    • spatial distribution of electrons in a beam;

    • width of EB scanning;

    • angular characteristics of a scan process;

    • time sweep of the scanner;

    • air gap between the scanner and X-ray converter and an irradiated target.

    4. The comparative analysis of visual and numerical difference of depth-dose distributions in a layer for:

    • various parameters of calculation;

    • various calculation models;

    • experimental and calculated depth-dose distributions in a layer.

    The features of the software ModeStXR are as follows:

    • Two levels for entering of input data via configuration files and manually.

    • Built-in tools for statistical analysis.

    • Built-in tools for uncertainties estimation of results simulation due to uncertainties of input data for radiation facility.

    • Estimation of uncertainties for physical models.

    • Built-in tools for dose volume histogram (DVH) analysis.

    • Comparison Modulus for visual and a numerical analysis of calculated and experimental data and for decision of optimization tasks in radiation processing.

    • Built-in tools for processing of experimental dosimetric data and their comparison with simulation predictions.

    The software have intuitively clear graphical interface for the end-users with the following features:

    • Detailed decomposition of input data for main elements of source and target (including spectral characteristics for irradiation source).

    • Two levels for entering of input data via configuration files and manually.

    • Expert control for the range of input data and co-ordination for the set of geometrical and physical input data.

    • Compatibility of export an input data to different modules.

    The software ModeStXR works on platform Windows98/Me/NT/XP/2000. Language of the interface - English.

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