Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Most answered questions
0
votes
2
answers
165
views
Data quality is not displayed
asked
Dec 7, 2023
in
openLCA
by
tarlon.s
(
640
points)
data quality
uncertainty
pedigree scores
0
votes
2
answers
194
views
Uncertainty and standard deviation value
asked
Dec 5, 2023
in
openLCA
by
tarlon.s
(
640
points)
standard deviation
uncertainty
pedigree matrix
data quality
monte carlo analysis
0
votes
2
answers
308
views
OpenLCA crashes during Monte Carlo Calculation
asked
Dec 1, 2023
in
openLCA
by
mariee
(
190
points)
openlca
monte carlo analysis
crash
ecoinvent 3.9.1
0
votes
2
answers
210
views
Export all LCIA results from "contribution tree" tab, given a fixed n. of upstream levels
asked
Nov 28, 2023
in
openLCA
by
Alberto
(
430
points)
exporting results
contribution tree
excel export
0
votes
2
answers
175
views
Environmental impacts are all negative in USLCI
asked
Nov 16, 2023
in
openLCA
by
Jane
(
120
points)
uslci
negative value
life cycle impact assessment (lcia)
0
votes
2
answers
241
views
Error when opening the openLCA DAL Tool
asked
Nov 15, 2023
in
openLCA
by
Palacsinta
(
200
points)
ef3.1
openlca dal
error
java
0
votes
2
answers
328
views
ecoinvent - EF v3.1 // Normalization & weighting is empty ?
asked
Nov 13, 2023
in
openLCA
by
klep
(
120
points)
normalization
weighting
ecoinvent
ef
methods
0
votes
2
answers
152
views
Tags - results showing zero
asked
Nov 7, 2023
in
openLCA
by
tarlon.s
(
640
points)
impact assessment method
zero values
results
tags
0
votes
2
answers
452
views
Why does the required amount in the contribution tree results not match vs Inputs
asked
Nov 5, 2023
in
openLCA
by
lcolmenares
(
120
points)
contribution tree
results
+1
vote
2
answers
357
views
Why most of the Elementary Flows do not have characterization factors ?
asked
Oct 31, 2023
in
openLCA
by
andreadm
(
130
points)
elementary flows
characterisation factors
0
votes
2
answers
170
views
Sankey diagram doesn't show cost categories
asked
Sep 18, 2023
in
openLCA
by
Lucio Maselli
(
120
points)
sankey diagram
lcc
0
votes
2
answers
196
views
OpenLCA 2.0.2 cannot access to preferences to allocate RAM (Big Sur, Mac)
asked
Sep 10, 2023
in
openLCA
by
anhld.hua
(
170
points)
openlca2.0.0
openlca
project report
0
votes
2
answers
226
views
What do you do, when your input is missing?
asked
Sep 1, 2023
in
openLCA
by
Schemas
(
120
points)
openlca
reference flow
+1
vote
2
answers
137
views
know the environmental impact of a product depending on where it is produced
asked
Aug 29, 2023
in
openLCA
by
FNTP_BEUDON
(
130
points)
openlca
life cycle impact assessment (lcia)
product system
0
votes
2
answers
220
views
Allocation of a system procesns to multiple unit process an its display in the Sankey diagramm
asked
Aug 29, 2023
in
openLCA
by
DiHorw
(
320
points)
sankey diagram
multiple allocation
+1
vote
2
answers
487
views
Using imported EPDs in openlca 2.0
asked
Jul 19, 2023
in
openLCA
by
geraldeps
(
130
points)
version 2.0
epd
openlca 2.0
0
votes
2
answers
362
views
Your system has run out of application memory (Mac)
asked
Jul 12, 2023
in
openLCA
by
brettduane
(
260
points)
out of memory
memory allocation
+4
votes
2
answers
430
views
How to generate process contribution bar charts in a project report
asked
Jun 30, 2023
in
openLCA
by
Esther.goita
(
220
points)
project report
process contribution
+1
vote
2
answers
367
views
montecarlo fail on 2.0 after 300/400 iterations
asked
Jun 22, 2023
in
openLCA
by
luca.ragusa
(
490
points)
version 2.0
openlca 2.0
error
montecarlo
+3
votes
2
answers
978
views
How to carry out a Monte Carlo analysis correctly using the ECOINVENT 3.9.1 database
asked
Jun 21, 2023
in
openLCA
by
Cipriano
(
300
points)
monte carlo analysis
ecoinvent 3.9.1
uncertainty
+2
votes
2
answers
707
views
OpenLCA 2.0 Manual for EPD
asked
Jun 13, 2023
in
openLCA
by
luca.ragusa
(
490
points)
epd
version 2.0
openlca 2.0
0
votes
2
answers
351
views
Regional electricity data of U.S.
asked
Jun 5, 2023
in
openLCA
by
hellboy31
(
160
points)
openlca
provider
electricity
ecoinvent
0
votes
2
answers
354
views
How to add custom normalization and weighting factors for Recipe 2016 Midpoint LCIA method?
asked
Jun 1, 2023
in
openLCA
by
janidas
(
120
points)
normalization
weighting
0
votes
2
answers
457
views
Incineration of customisable plastic waste
asked
May 23, 2023
in
Miscellaneous
by
Adrien
(
290
points)
process
input output
0
votes
2
answers
507
views
Import and merge of databases
asked
May 23, 2023
in
openLCA
by
Matias Lund
(
5.9k
points)
database
import
combining databases
database import
0
votes
2
answers
724
views
Calculating impact assessment with EPDs (OpenLCA 2.0 beta)
asked
May 17, 2023
in
openLCA
by
camillernd
(
160
points)
version 2.0
en15804
impact assessment method
+1
vote
2
answers
213
views
unrealistic results in CO2-equivalent using probas-database
asked
May 15, 2023
in
openLCA
by
student1
(
130
points)
openlca
methods
error importing database
0
votes
2
answers
334
views
Excel Export : provider not set
asked
May 4, 2023
in
openLCA
by
cmalnoe
(
200
points)
excel export
openlca
provider
default provider
0
votes
2
answers
2.2k
views
how to download database from ecoinvent website for openLCA
asked
May 2, 2023
in
openLCA
by
Ravipatel
(
120
points)
database
ecoinvent
ecoinvent3.6
openlca
0
votes
2
answers
474
views
Calculate recycling or not?
asked
Apr 28, 2023
in
Miscellaneous
by
Giannis Kosmidis
(
720
points)
life cycle impact assessment (lcia)
processes
calculation
0
votes
2
answers
305
views
Freshwater consumption indicator per ISO 21930
asked
Apr 25, 2023
in
Miscellaneous
by
Catalina
(
120
points)
life cycle impact assessment (lcia) methods
pcr
impact assessment method
0
votes
2
answers
493
views
How to calculate the GWP-GHG indicator when using OpenLCA and 15804 A2 2020 impact assessment methods
asked
Mar 15, 2023
in
openLCA
by
Giannis Kosmidis
(
720
points)
impact assessment method
gwp-ghg
en15804
pcr
eugeos
0
votes
2
answers
195
views
Requesting clarity: Does noone make complete regionalized shapefiles fit for specific LCIA-methods?
asked
Feb 28, 2023
in
openLCA
by
Simon Winther Schor
(
790
points)
regionalized lca
openlca
olca
lcia
0
votes
2
answers
268
views
LCIA method for blue water consumption [kg or m3]
asked
Oct 19, 2022
in
openLCA
by
user15
(
160
points)
water consumption
life cycle impact assessment (lcia) methods
0
votes
2
answers
465
views
How to calculate the (total) required working hours for each process of a product system
asked
Oct 18, 2022
in
openLCA
by
WaltherZeug
(
730
points)
soca
psilca
0
votes
2
answers
348
views
Error when performing impact assessment of product system
asked
Oct 14, 2022
in
openLCA
by
Veronika Wolff
(
160
points)
openlca 1.11.0
crash
impact analysis
0
votes
2
answers
1.2k
views
How does openLCA calculate uncertainty values?
asked
Oct 13, 2022
in
openLCA
by
ba1myj2365v
(
480
points)
openlca
uncertainty
data quality
+1
vote
2
answers
1.3k
views
Any export to Excel isn't working
asked
Aug 2, 2022
in
openLCA
by
Tom56
(
200
points)
excel export
exporting results
0
votes
2
answers
402
views
Is mass balance maintained during a monte-carlo simulation?
asked
Jul 12, 2022
in
openLCA
by
em398
(
160
points)
monte carlo analysis
openlca
uncertainty
calculation
mass balance
0
votes
2
answers
500
views
Indicators EN 15804 CN
asked
Jun 2, 2022
in
openLCA
by
Marie14
(
160
points)
en 15804
openlca
Page:
« prev
1
2
3
4
5
6
7
...
65
next »
ask.openLCA
is a question-and-answer (Q&A) website on
Life Cycle Assessment (LCA)
.
It is also the public support platform for
openLCA
,
openLCA Nexus
,
data.openLCA
and the
LCA Collaboration Server
.
Before asking questions please also consult our online manuals for
openLCA
and the
LCA Collaboration Server
.
Receive guaranteed and prioritised professional support via
GreenDelta's help desk
.
ask.openLCA is run by
GreenDelta
, the creators of openLCA.
Categories
All categories
openLCA
(2.4k)
Miscellaneous
(146)
LCA Collaboration Server
(59)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia)
life cycle impact assessment (lcia) methods
import
product system
openlca1.6
flows
error
results
calculation
modelling
python
data
openlca1.7
data inputs
monte carlo analysis
processes
openlca1.5
impact analysis
uncertainty
input output
olca-ipc
lca
lca collaboration server
openlca 2.0
methods
ecoinvent3.6
openlca 1.10.3
impact assessment method
life cycle assessment (lca)
waste treatment
provider linking
excel export
exiobase
import export
ecoinvent3.5
contribution tree
waste management
en15804
allocation
unit process
inventory
...
