PSI - Issue 11

J.I. Gisbert et al. / Procedia Structural Integrity 11 (2018) 428–435

430

3

Author nam

e / Structural Inte

grity Procedia 0

0 (2018) 000–00 0

E proh cont not b the d A appe poin T such impr to ac In as so mad usin diag 2. M In

ven though m ibitive for lar this paper, t rast to what h een used. Th isplacements lthough this arance of sol ts using imag his capability as stone and ove the const hieve proper this paper, a lid185 (8 nod e and calibra g these kinds onal compres ethodology a

icromodellin ge structures, o perform mi as been comm is element is in the three s element has n id185 and sol es from the po , which is un concrete and ruction and c results. numerical stu e) and solid1 ted using resu of elements sion in brick m nd material

g requires g it is more acc cromodels of only used ov defined by ei patial directio o longer tech id186, nowad stprocessor, ique to this , by extensio onvergence o dy is carried 86 (20 node) lts of experi . In particula asonry samp characteriza

reater compu urate at predi masonry sam er last decad ght nodes, eac ns. nical suppor ays is still ve “cracks” due element, has n, masonry. H f micromodel out using mi . For this purp mental tests r, this docum les tion

tational resou cting masonry ples, ANSYS es in these kin h of which h t and it has b ry used due t to tensile stre become extre owever, rec s are not supp cromodels bu ose, FE mod as a prelimin ent will ana

rces than m response an code has be d of models, as three degre een cataloge o the ability t sses and “crus mely popula ent ANSYS e orted by this ilt with high o els correspon ary phase to lyze the res

acromodels a d its failure m en used for st hexahedral e es of freedom d as a legacy o represent, i h” for compr r to model ge xtensions and element, whi rder 3D ANS ding to standa develop mor istant behavio

nd are some odes. ructural testin lement solid6 correspondi element sinc n eight integr ession ones. ological mat properties w ch makes it h YS elements rd tests have e complex m r to uniaxia

times g. In 5 has ng to e the ation erials hich arder such been odels l and

(a)

(b)

(c)

Figure 2

: Uniaxial (a) and

diagonal (b) com

pression sample

geometry. Test

configuration (c)

for diagonal com

pression

2.1.

Geometric def he geometry osed in DIN developed ac Mesh o perform the odel with a neration of th s solid186 e een brick and

inition of ma chosen for EN 1052-1:1 cording to th

sonry walls a the numerica 998-12 [5] (f e indications

nd reinforcem l uniaxial co igure 2). Reg of ASTM E51

ent mpression m arding the nu 9/E519M. 20

T prop been

odel has bee merical diag 10 [6] (figure

n developed onal compres 2).

according to sion model,

that it has

2.2.

T the m dege A betw

micromodel maximum s e elements in lement allow mortar will b

t the more acc mm in the 25 mm in bri er interpolati chieved desp

uracy the be mortar in ord cks. on due to it ite the size di

tter, hexahedr er to have h s mid sides fference betw

al elements h exahedrons, node calculat een elements.

ave been forc not permittin ions, converg

ed in g the ence

and represen ize of: (i) 10 to prisms, (ii) s second ord e able to be a