Modélisation des propriétés de résistance à l'impact des matériaux auxétiques

Trade Agreement: Agreement on Internal Trade (AIT)
Tendering Procedures: If 3+ bids offer Canadian goods/services
other bids will not be considered
Attachment: None
Competitive Procurement Strategy: Best Overall Proposal
Comprehensive Land Claim Agreement: No
Nature of Requirements:
MODELLING IMPACT PROPERTIES

Defence Research and Development Canada (DRDC) Atlantic

The objective of this work is to carry out an investigation of
the impact properties of negative Poisson's Ratio materials
using numerical modelling techniques. In Phase 1, the effect of
honeycomb geometry on the mechanical properties and energy
absorption under dynamic compressive loading of polymeric foams
containing conventional or re-entrant honeycomb-shaped air voids
will be studied. In Phase 2, a number of conventional and
re-entrant honeycomb foam geometries whose compression behaviour
was studied in Phase 1 will be selected for further study. The
ability of various foam materials having equivalent areal
density to protect an underlying metal substrate from impact
damage shall be determined, and compared to the effect of solid
polymer coatings as well as uncoated metal plates. This contract
requires expertise and experience in finite element modelling
using LS-DYNA or similar software, experience and understanding
of polymer modelling and relevant constitutive models applicable
to impact loading, and an understanding of the mechanics of
auxetic foams.

Defence Research & Development Canada requires that all aspects
of Phase 1 to be complete by 31 March, 2013 and all aspects of
Phase 2 to be complete by 31 December, 2013.

The requirement is subject to a preference for Canadian goods
and/or services.

INQUIRIES: All inquiries of a technical nature and all questions
of a contractural nature are to be submitted to the Contracting
Authority: Alex Russell, facsimile: (902) 496-5016, E-mail:
a••••••••@•••••.••.ca. Inquiries are to be made in writing
and should be received no less than five (5) calendar days prior
to the closing date to allow sufficient time to respond.

This PWGSC Office provides procurement services in English.

Delivery Date: Above-mentioned

The Crown retains the right to negotiate with suppliers on any
procurement.

Documents may be submitted in either official language of Canada.