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    ModePEB

    The software ModePEB was designed specially for simulation and optimization of industrial radiation processes, calculation of the absorbed dose and charge distributions within multilayer packages irradiated with scanned electron beams (EB) on industrial radiation facility that is based on the pulsed or continuous type of electron accelerators in the electron energy range from 0.1 to 25 MeV. The software ModePEB provides the end-user with data sets in the graphic and tabular form for an absorbed dose distribution value and charge deposition within the objects irradiated with scanned EB. Differential and integrated characteristics of an irradiation process are calculated by a Monte Carlo method.

    The feature of the software ModePEB is unique high running speed of calculation schemes. It is reached due to use of specially developed algorithm on the basis of a method of translation of an electron trajectory and an optimum choice of free parameters of modeling. Algorithms and calculation schemes are based on results of scientific researches of authors in the field of development the non-traditional methods of Monte Carlo and semi-empirical model for simulation processes of transport of electron and photon radiation through spatial, nonuniform objects and heterogeneous systems.

    The software ModePEB contains a set of tool means for the comparative analysis of the obtained data for absorbed dose of electron beams as various calculation methods, and as the experimental results obtained with the use a film dosimetry. Service blocks of the program, in reporting forms, give the user the necessary and sufficient information for decision-making at:

    • choice of optimum conditions, parameters and operating modes of the radiation facility;

    • configuration of the irradiated objects with taking into consideration of features irradiated materials;

    • organizations of a dosimetric control during materials processing;

    • confirmation of a correctness (verification) of results of the carried out irradiation.

    The software ModePEB works on platform Windows98/Me/NT/XP/2000. The software has intuitively clear interface of the end-users. Language of the interface - English.

    Main tasks of the ModePEB software are the following: 

    1. Dosimetry of electron irradiation in multilayer targets processed with scanned electron beams on industrial radiation facility.
    2. 1.1. Simulation by a Monte Carlo method of a dose field formation in multilayer packages irradiated with scanned electron beams.

      1.2. Simulation by a Monte Carlo method an radiation-induced charge deposition in an objects irradiated with scanned electron beams.

      1.3.Determination and analysis of model errors for computer prediction results of dose field for different irradiation regimes and various types of irradiated objects.

    3. Analysis and optimization of irradiation parameters in radiation technologies
    4. 2.1. Determination of optimal regimes irradiation for predetermined method of radiation processing.

      2.2. Determination of optimal composition of irradiated objects for predetermined method of radiation processing.

      2.3. Determination of permissible level of uncertainty for irradiation installation performance, operation regimes, and irradiated objects.

    5. Prediction and interpretation of measurement results in film dosimetry
    6. 3.1. Simulation by a Monte Carlo method of a dose profile in dosimetric films located in objects with heterogeneous structure and irradiated with scanned electron beams.

      3.2. Treatment of measurement results of an electron beam dose profile in dosimetric films and their comparative analysis.

      3.3. Interpretation of measurement results of an electron beam dose profile in dosimetric films on the base of comparative analysis with simulation results.

      3.4. Refinements of parameters and operation regimes for radiation installation (EB Irradiator) on the base of comparative analysis of measurement results of an electron beam dose profile in dosimetric films with simulation results.

    Decisions of above-listed problems are provided by ModePEB modules and blocks.

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