Da ase o Glass Rein o ced aluminum (GLARE) Lamina es
subjec ed o h ee-Poin Bending
Sh eyas Anand, Nachike Dighe, P anshul Gup a, Ren´e Alde lies en and Saullo G.P. Cas o
Facul y o Ae ospace, Del Uni e si y o Technology
16 July, 2025
In oduc ion
This da ase con ains da a o GLARE lamina es subjec ed o 3-poin bending loads. The da ase includes
expe imen al da a and da a ob ained om a p oposed semi-analy ical modeling app oach o cen al c acking
ailu e o GLARE lamina es. The da ase aims o suppo he de elopmen and alida ion o analy ical o
nume ical models o damage and ene gy abso p ion in GLARE ibe -me al lamina es. Resea che s wo king
on c ashwo hiness and impac may ind his da a pa icula ly use ul.
The da ase was compiled om expe imen al es ing conduc ed a TU Del o cha ac e ize he bending
esponse o a ious GLARE con igu a ions. Each es co esponds o a unique combina ion o GLARE ype,
laye sequence, ibe o ien a ion, and loading a e. The p ima y ocus o he expe imen al campaign was o
iden i y he e ec o a ious pa ame e s on ailu e mechanism and he ene gy abso p ion o a ious GLARE
specimens.
1. File S uc u e and Nomencla u e
The da ase is s uc u ed as ollows:
•Analy ical Model esul s wi hou shea /: Con ains esul s om he analy ical model.
•Da ase {XXXX}mmpm/: Con ains CSV iles wi h o ce s. displacemen da a, whe e XXXX is he displace-
men a e (1, 10, 100, o 1000 mm/min).
–CSV iles a e named as: GL {A} {B} {C} {D} {E} {F} {G}.cs , whe e:
∗A: Displacemen a e (1, 10, 100, o 1000)
∗B: GLARE ype (2A, 2B, 3, 4A, o 4B)
∗C: Laye s uc u e (e.g., 4sl3 = 4 Al / 3 GF)
∗D: O ien a ion (L= longi udinal, T= ans e se)
∗E: Aluminium laye hickness (e.g., 0p3 = 0.3 mm)
∗F: Sample numbe (e.g., S4)
∗G: Failu e mode (CC,D,LD)
•Da ase All displacemen a es/: Con ains me ged da a o all displacemen a es.
•GLARE CODE/: Code and esul s ela ed o he semi-analy ical model.
–RUN {XXXX}MMPM/: Con ains code, modules, model ou pu s, s ess-s ain da a, con igu a ion iles.
–Gla e da ase TRUESS {XXXX}mmpm.py: Main Py hon code o analy ical model.
–Modules/: Py hon modules used in he analy ical model.
–CONFIGS {XXXX}mmpm.cs : Tes ed con igu a ions o a gi en a e.
–Resul s wi hou shea /,Resul s wi h shea /: Ou pu esul s wi h/wi hou shea modeling.
–AL2024 MULTI.cs ,GL T HB.cs : S ess-s ain da a o AL2024 and glass ibe .
–Ou pu wi h shea {XXXX}mmpm.cs ,Ou pu wi hou shea {XXXX}mmpm.cs : Final ou pu iles.
1
•Images {XXXX}mmpm/: Con ains pos - es JPG images named using he same con en ion as CSV iles.
•Unknown cases/: Folde s wi h un e i ied samples and explana o y no es. These cases a e excluded om
analysis.
•Videos 1000mmpm Mobile phone non scien i ic/: Unaligned ideos o 1000 mm/min es s. Use wi h
cau ion.
•Dimensions shee /: Dimensional da a o all es ed samples.
•Peak and Ene gy Abso bed CC cases-EXP- s-ANALYTICAL/: Expe imen al s. analy ical peak and en-
e gy da a.
•Resul s modulus max o ce ene gy/: Con ains p ocessed da a: modulus (GPa), max o ce (kN), SEA
(kJ/kg).
2. Expe imen al se up
The es s we e conduc ed using a 3-poin bending se up ins alled on a Zwick 10 kN/20 kN Uni e sal Tes ing
Machine (UTM), a he Del Ae ospace S uc u es and Ma e ials Labo a o y (DASML). A 20 kN Zwick load
cell was used, wi h da a sampled a equencies o up o 25 Hz. Fo displacemen a es o 100 mm/min o
highe , a p e-load o 5 N was applied. The p e-loading a e was ca e ully ma ched o he es loading a e in
each case. A schema ic o he es se up is p esen ed in Figu e 1 whe e b is span, h is hickness and R is adius
o suppo ing and loading pins.
R=1.5
R=1.5
h
b
Figu e 1: Tes -se up o 3-poin bending
3. Con igu a ion da a-shee s
This sec ion con ains a da a-shee o each es ed con igu a ion. A con igu a ion is a se o expe imen s which
ha e he same displacemen a e and s uc u e. The layou o he da ashee is explained in Figu e 2.
b=
60 mm,i h > 6 mm
10 ×h, i 1.8 mm ≤h≤6 mm
18 mm,i h < 1.8 mm
(1)
No e ega ding span: The span alues o he expe imen al campaign we e ob ained using Equa ion 1.
Howe e , when compa ing he expe imen al da a agains he semi-analy ical model, signi ican disc epancies
in he ini ial slope we e obse ed in some cases, indica ing possible e o s in he epo ed span. In such cases,
he semi-analy ical model was used o app oxima e he span alues. The e o e, cases whe e he span alues
de ia e om Equa ion 1 should be in e p e ed wi h cau ion. These cases a e ma ked in he con igu a ion shee
by he label analy ical beside he span alue.
2
Figu e 2: Layou o a con igu a ion shee
3
2A-4sl3-L-0.2-10mmpm 4
2A-4sl3-L-0.3-1mmpm 5
2A-4sl3-T-0.2-10mmpm 6
2A-4sl3-T-0.3-1mmpm 7
2A-8sl7-L-0.4-1mmpm 8
2A-8sl7-L-0.4-10mmpm 9
2A-8sl7-T-0.4-1mmpm 10
2A-8sl7-T-0.4-10mmpm 11
2B-7sl6-L-0.4-100mmpm 12
2B-7sl6-L-0.4-1000mmpm 13
2B-7sl6-T-0.4-100mmpm 14
2B-7sl6-T-0.4-1000mmpm 15
2B-11sl10-L-0.3-1mmpm 16
2B-11sl10-L-0.3-10mmpm 17
2B-11sl10-L-0.3-100mmpm 18
2B-11sl10-L-0.3-1000mmpm 19
2B-11sl10-T-0.3-10mmpm 20
3-3sl2-L-0.3-1mmpm 21
3-3sl2-L-0.3-10mmpm 22
3-3sl2-L-0.3-100mmpm 23
3-3sl2-L-0.3-1000mmpm 24
3-3sl2-T-0.3-1mmpm 25
3-3sl2-T-0.3-10mmpm 26
3-3sl2-T-0.3-100mmpm 27
3-3sl2-T-0.3-1000mmpm 28
3-5sl4-L-0.4-1mmpm 29
3-5sl4-L-0.4-10mmpm 30
3-5sl4-L-0.4-100mmpm 31
3-5sl4-L-0.4-1000mmpm 32
3-5sl4-T-0.4-1mmpm 33
3-5sl4-T-0.4-10mmpm 34
3-5sl4-T-0.4-100mmpm 35
3-5sl4-T-0.4-1000mmpm 36
3-6sl5-L-0.3-1mmpm 37
3-6sl5-L-0.3-10mmpm 38
3-6sl5-T-0.3-1mmpm 39
3-6sl5-T-0.3-10mmpm 40
3-8sl7-L-0.4-1mmpm 41
3-8sl7-L-0.4-10mmpm 42
3-8sl7-L-0.4-100mmpm 43
3-8sl7-L-0.4-1000mmpm 44
3-8sl7-T-0.4-1mmpm 45
3-8sl7-T-0.4-10mmpm 46
4A-7sl6-L-0.4-1mmpm 47
4A-7sl6-L-0.4-10mmpm 48
4A-7sl6-L-0.4-100mmpm 49
4A-7sl6-L-0.4-1000mmpm 50
4A-7sl6-T-0.4-1mmpm 51
4A-7sl6-T-0.4-10mmpm 52
4A-7sl6-T-0.4-100mmpm 53
4A-7sl6-T-0.4-1000mmpm 54
4B-4sl3-L-0.4-100mmpm 55
4B-4sl3-L-0.4-1000mmpm 56
4B-4sl3-T-0.4-100mmpm 57
4B-4sl3-T-0.4-1000mmpm 58
4B-6sl5-L-0.5-1mmpm 59
4B-6sl5-L-0.5-10mmpm 60
4B-6sl5-L-0.5-100mmpm 61
4B-6sl5-L-0.5-1000mmpm 62
4B-6sl5-T-0.5-1mmpm 63
4B-6sl5-T-0.5-10mmpm 64
4B-6sl5-T-0.5-100mmpm 65
4B-6sl5-T-0.5-1000mmpm 66
4B-7sl6-L-0.4-1mmpm 67
4B-7sl6-L-0.4-10mmpm 68
4B-7sl6-L-0.4-100mmpm 69
4B-7sl6-L-0.4-1000mmpm 70
4B-7sl6-T-0.4-1mmpm 71
4B-7sl6-T-0.4-10mmpm 72
4B-7sl6-T-0.4-100mmpm 73
4B-7sl6-T-0.4-1000mmpm 74
4B-8sl7-L-0.4-100mmpm 75
4B-8sl7-T-0.4-100mmpm 76
