.. _R4.10.01:

**r4.10.01** ZHU - ZIENKIEWICZ error estimator
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**Summary:**

This document describes the method for estimating the discretization error proposed by ZHU - ZIENKIEWICZ.

This estimator is based on a continuous smoothing of the calculated stresses in order to obtain better precision on the nodal constraints compared to standard methods.

Two successive versions of this estimator are described, each corresponding to a different smoothing.

 **Table of Contents**




.. toctree::
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    self

.. toctree::
    :maxdepth: 2
    :numbered:

    Introduction
    Principe_de_la_m_thode
    Construction_du_champ_de_contraintes_recalcul_es
    Implantation_dans_Code_Aster_et_limites_actuelles_d_utilisation
    Bibliographie
    Description_des_versions_du_document