Wyniki wyszukiwania dla: size-structured model

• Age-structured population model of cell survival

  Publikacja

  • W. Krzyzanski
  • P. Wiczling
  • A. Gebre
  • P. Wiczling

  - JOURNAL OF PHARMACOKINETICS AND PHARMACODYNAMICS - Rok 2017

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• Nitrogen mass balance and mathematical model of a Structured- Bed Reactor (SBRRIA)

  Publikacja

  • K. Wiśniewski
  • C. Santos
  • M. Zaiat
  • M. H. R. Z. Damianovic
  • J. Mąkinia

  - Rok 2015

  An up-flow structured-bed reactor subjected to recirculation and intermittent aeration (SBRRIA) was operated under varying influent conditions. The influent COD/N ratio was adjusted by maintaining a stable organic loading rate (average of 1.07 kgCOD m-3 d-1) and changing the nitrogen loading rate from 0.1 to 0.4 kg N m-3. Therefore, three different COD/N ratios were tested: 9.7±1 (Scenario 1); 7.6±1 (Scenario 2) and 2.9±1 (Scenario...

• Global dynamics in a stage-structured discrete-time population model with harvesting

  Publikacja

  • E. Liz
  • P. Pilarczyk

  - JOURNAL OF THEORETICAL BIOLOGY - Rok 2012

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• Method of determination of the reticulocyte age distribution from flow cytometry count by a structured-population model

  Publikacja

  • P. Wiczling
  • W. Krzyzanski

  - CYTOMETRY PART A - Rok 2007

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• Investigations of size effect in tensile fracture of concrete using a lattice model

  Publikacja

  • J. Kozicki
  • J. Tejchman

  - Rok 2007

  Artykuł przedstawia symulacje efektu skali w betonie podczas rozciągania przy zastosowaniu nowego modelu siatkowego. Zbadano wpływ rozkładu i wielkości kruszywa oraz wpływ strefy kontaktu na efekt skali.

• Size effects in wedge indentation predicted by a gradient-enhanced crystal-plasticity model

  Publikacja

  • M. Lewandowski
  • S. Stupkiewicz

  - INTERNATIONAL JOURNAL OF PLASTICITY - Rok 2018

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• On some problems in determining tensile parameters of concrete model from size effect tests

  Publikacja

  • I. Marzec
  • J. Bobiński

  - Polish Maritime Research - Rok 2019

  The paper presents results of numerical simulations of size effect phenomenon in concrete specimens. The behaviour of in-plane geometrically similar notched and unnotched beams under three-point bending is investigated. In total 18 beams are analysed. Concrete beams of four different sizes and five different notch to depth ratios are simulated. Two methods are applied to describe cracks. First, an elasto-plastic constitutive law...

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• Areas of Updraft Air Motion in an Idealised Weather Research and Forecasting Model Simulation of Atmospheric Boundary Layer Response to Different Floe Size Distributions

  Publikacja

  • M. Wenta

  - Rok 2022

  Presented dataset is part of a numerical modelling study focusing on the analysis of the influence of sea ice floe size distribution (FSD) on the horizontal and vertical structure of convection in the atmosphere. The total area and spatial arrangement of the up-drafts indicates that the FSD affects the total moisture content and the values of area averaged turbulent fluxes in the model domain. In fact, while convective updrafts...

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• Numerical analysis of size effect in RC beams scaled along height or length using elasto-plastic-damage model enhanced by non-local softening.

  Publikacja

  • I. Marzec
  • J. Tejchman
  • Z. Mróz

  - FINITE ELEMENTS IN ANALYSIS AND DESIGN - Rok 2019

  Artykuł omawia wyniki numeryczne dotyczące efektu skali w belkach żelbetowych uzyskane stosując metodę elementów skończonych. Dwuwymiarowe obliczenia wykonano dla belek żelbetowych podczas 4-punktowego zginania. Belki były skalowane wzdłuż wysokości lub długości. Beton został opisany prawem sprężysto-plastycznym z degradacją sztywności, rozszerzonym o nielokalność w osłabieniu. Wyniki numeryczne zostały porównane z wynikami doświadczalnymi....

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• The chapter analyses the K-Means algorithm in its parallel setting. We provide detailed description of the algorithm as well as the way we paralellize the computations. We identified complexity of the particular steps of the algorithm that allows us to build the algorithm model in MERPSYS system. The simulations with the MERPSYS have been performed for different size of the data as well as for different number of the processors used for the computations. The results we got using the model have been compared to the results obtained from real computational environment.

  Publikacja

  • J. Szymański

  - Rok 2016

  The chapter analyses the K-Means algorithm in its parallel setting. We provide detailed description of the algorithm as well as the way we paralellize the computations. We identified complexity of the particular steps of the algorithm that allows us to build the algorithm model in MERPSYS system. The simulations with the MERPSYS have been performed for different size of the data as well as for different number of the processors used...