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TY - UNPB AU - Yudin, I.P. ED - Kuzin, Maxim ED - Schaa, Volker RW TI - Direct Problem of Calculation of Allowances for Element Parameters of the Synchrotron for Applied Research J2 - Proc. of RuPAC2016, St. Petersburg, Russia, November 21-25, 2016 C1 - St. Petersburg, Russia T2 - Russian Particle Accelerator Conference T3 - 25 LA - english AB - The influence of perturbations in magnetic elements of the synchrotron for applied research, is studied by means of numerical calculations. At given momentum spread of beam particles the influence of lenses longitudinal alignment errors and allowances for lengths and gradients of quadrupole lenses in matched insertion on maximum of beta-function (beta-max ) and betatron oscillations frequency (v) is calculated. The changes of beta-max and v are connected with quantities of allowances for parameters (ksi_{i}) by means of coefficients (alfa ksi_{i}) . These coefficients are calculated by means of a written program. Obtained results allow one to estimate a necessary lenses aperture reserve, which is additional compared to the not perturbated beam size. PB - JACoW CP - Geneva, Switzerland ER -